Endgame Extended Weapon Arsenal Augment Gems

Nourishing and Superior Nourishing gems have been updated. Thank you to Wayren for providing this information.

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Ferocity Gem

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This uncommon augment gem deals additional damage with each weapon hit. The bonus damage seems to apply to melee and ranged weapons, as well as AoC magic.

Lvl	Effect	AP	Total	Notes
1	+2 damage	+5/-8	-
2	+4 damage	+10/-16	8
3	+6 damage	+15/-24	24
4	+8 damage	+20/-32	48
5	+10 damage	+25/-40	80
6	+12 damage	+30/-48	120
7	+14 damage	+35/-56	168
8	+16 damage	+40/-64	224
9	+18 damage	+45/-72	288
10	+20 damage	+50/-80	360
11	+22 damage	+55/-88	440
12	+24 damage	+60/-96	528
13	+26 damage	+65/-104	624
14	+28 damage	+70/-112	728
15	+30 damage	+75/-120	840
16	+32 damage	+80/-128	960
17	+34 damage	+85/-136	1088
18	+36 damage	+90/-144	1224
19	+38 damage	+95/-152	1368
20	+45 damage	+100/-	1520	(1)

(1) - In addition to the progression, the level 20 bonus seems to be another +5 damage.

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Replenishing Gem

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This uncommon augment gem heals HP over time.

Lvl	Effect	AP	Total	Notes
1	+1 HP every 5 seconds	+5/-8	-
2	+2 HP every 5 seconds	+10/-16	8
3	+3 HP every 5 seconds	+15/-24	24
4	+4 HP every 5 seconds	+20/-32	48
5	+5 HP every 5 seconds	+25/-40	80
6	+6 HP every 5 seconds	+30/-48	120
7	+7 HP every 5 seconds	+35/-56	168
8	+8 HP every 5 seconds	+40/-64	224
9	+9 HP every 5 seconds	+45/-72	288
10	+10 HP every 5 seconds	+50/-80	360
11	+11 HP every 5 seconds	+55/-88	440
12	+12 HP every 5 seconds	+60/-96	528
13	+13 HP every 5 seconds	+65/-104	624
14	+14 HP every 5 seconds	+70/-112	728
15	+15 HP every 5 seconds	+75/-120	840
16	+16 HP every 5 seconds	+80/-128	960
17	+17 HP every 5 seconds	+85/-136	1088
18	+18 HP every 5 seconds	+90/-144	1224
19	+19 HP every 5 seconds	+95/-152	1368
20	+20 HP every 4 seconds	+100/-	1520	(1)

(1) - In addition to the progression, the level 20 bonus appears to improve the healing tick to once every 4 seconds.

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Leeching Gem

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This uncommon augment gem heals HP with each weapon hit. This healing appears to apply to melee weapon hits only.

Lvl	Effect	AP	Total	Notes
1	0-1 HP (Avg: 0.5)	+5/-8	-
2	0-2 HP (Avg: 1.0)	+10/-16	8
3	1-2 HP (Avg: 1.5)	+15/-24	24
4	0-3 HP (Avg: 1.5)	+20/-32	48	(1)
5	1-3 HP (Avg: 2.0)	+25/-40	80
6	2-3 HP (Avg: 2.5)	+30/-48	120
7	2-4 HP (Avg: 3.0)	+35/-56	168
8	3-4 HP (Avg: 3.5)	+40/-64	224
9	2-5 HP (Avg: 3.5)	+45/-72	288	(1)
10	3-5 HP (Avg: 4.0)	+50/-80	360
11	4-5 HP (Avg: 4.5)	+55/-88	440
12	2-6 HP (Avg: 4.0)	+60/-96	528	(2)
13	3-6 HP (Avg: 4.5)	+65/-104	624	(3)
14	4-6 HP (Avg: 5.0)	+70/-112	728
15	5-6 HP (Avg: 5.5)	+75/-120	840
16	6 HP	+80/-128	960	(4)
17	7 HP	+85/-136	1088
18	8 HP	+90/-144	1224
19	9 HP	+95/-152	1368
20	10-12 HP (Avg: 11)	+100/-	1520	(5)

(1) - This upgrade does not appear to have any benefit.
(2) - Curiously, this is actually a downgrade in the effectiveness of this gem.
(3) - This upgrade only brings the effectiveness back up to the same level as two upgrades ago.
(4) - After this point the relative effectiveness of this gem is accelerated.
(5) - In addition to the progression, the level 20 bonus appears to be an another 1 HP of healing.

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Thorns Gem

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This uncommon augment gem deals back damage each time damage is received from an enemy.

Lvl	Effect	AP	Total	Notes
1	0-1 damage (Avg: 0.5)	+5/-8	-
2	1 damage	+10/-16	8
3	1-2 damage (Avg: 1.5)	+15/-24	24
4	2 damage	+20/-32	48
5	2-3 damage (Avg: 2.5)	+25/-40	80
6	3 damage	+30/-48	120
7	3-4 damage (Avg: 3.5)	+35/-56	168
8	4 damage	+40/-64	224
9	4-5 damage (Avg: 4.5)	+45/-72	288
10	5 damage	+50/-80	360
11	5-6 damage (Avg: 5.5)	+55/-88	440
12	6 damage	+60/-96	528
13	6-7 damage (Avg: 6.5)	+65/-104	624
14	7 damage	+70/-112	728	(1)
15	8 damage	+75/-120	840
16	9 damage	+80/-128	960
17	10 damage	+85/-136	1088
18	11 damage	+90/-144	1224
19	12 damage	+95/-152	1368
20	15 damage	+100/-	1520	(2)

(1) - After this point the relative effectiveness of this gem is accelerated.
(2) - In addition to the progression, the level 20 bonus appears to be another 2 damage.

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Harden Gem

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This uncommon augment gem increases armor.

Lvl	Effect	AP	Total	Notes
1	+20 armor	+5/-8	-
2	+40 armor	+10/-16	8
3	+60 armor	+15/-24	24
4	+80 armor	+20/-32	48
5	+100 armor	+25/-40	80
6	+120 armor	+30/-48	120
7	+140 armor	+35/-56	168
8	+160 armor	+40/-64	224
9	+180 armor	+45/-72	288
10	+200 armor	+50/-80	360
11	+220 armor	+55/-88	440
12	+240 armor	+60/-96	528
13	+260 armor	+65/-104	624
14	+280 armor	+70/-112	728
15	+300 armor	+75/-120	840
16	+320 armor	+80/-128	960
17	+340 armor	+85/-136	1088
18	+360 armor	+90/-144	1224
19	+380 armor	+95/-152	1368
20	+500 armor, +8 vitality	+100/-	1520	(1)

(1) - In addition to the progression, the level 20 bonus appears to be an another 100 armor as well as +8 vitality boost.

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Vigor Gem

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This uncommon augment gem increases maximum HP.

Lvl	Effect	AP	Total	Notes
1	+10 maximum HP	+5/-8	-
2	+20 maximum HP	+10/-16	8
3	+30 maximum HP	+15/-24	24
4	+40 maximum HP	+20/-32	48
5	+50 maximum HP	+25/-40	80
6	+60 maximum HP	+30/-48	120
7	+70 maximum HP	+35/-56	168
8	+80 maximum HP	+40/-64	224
9	+90 maximum HP	+45/-72	288
10	+100 maximum HP	+50/-80	360
11	+110 maximum HP	+55/-88	440
12	+120 maximum HP	+60/-96	528
13	+130 maximum HP	+65/-104	624
14	+140 maximum HP	+70/-112	728
15	+150 maximum HP	+75/-120	840
16	+160 maximum HP	+80/-128	960
17	+170 maximum HP	+85/-136	1088
18	+180 maximum HP	+90/-144	1224
19	+190 maximum HP	+95/-152	1368
20	+250 maximum HP	+100/-	1520	(1)

(1) - In addition to the progression, the level 20 bonus appears to be an another 50 maximum HP.

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Enduring Gem

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This uncommon augment gem increases maximum stamina.

Lvl	Effect	AP	Total	Notes
1	+6 maximum stamina	+5/-8	-
2	+9 maximum stamina	+10/-16	8
3	+12 maximum stamina	+15/-24	24
4	+15 maximum stamina	+20/-32	48
5	+18 maximum stamina	+25/-40	80
6	+21 maximum stamina	+30/-48	120
7	+24 maximum stamina	+35/-56	168
8	+27 maximum stamina	+40/-64	224
9	+30 maximum stamina	+45/-72	288
10	+33 maximum stamina	+50/-80	360
11	+36 maximum stamina	+55/-88	440
12	+39 maximum stamina	+60/-96	528
13	+42 maximum stamina	+65/-104	624
14	+45 maximum stamina	+70/-112	728
15	+48 maximum stamina	+75/-120	840
16	+51 maximum stamina	+80/-128	960
17	+54 maximum stamina	+85/-136	1088
18	+57 maximum stamina	+90/-144	1224
19	+60 maximum stamina	+95/-152	1368
20	+70 maximum stamina	+100/-	1520	(1)

(1) - In addition to the progression, the level 20 bonus appears to another 7 maximum stamina.

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Nourish Gem

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This uncommon augment gem increases stamina regeneration by a small amount.

Lvl	Effect	AP	Total	Notes
1	+1 stamina every 13 seconds	+5/-8	-
2	+2 stamina every 13 seconds	+10/-16	8
3	+3 stamina every 13 seconds	+15/-24	24
4	+4 stamina every 13 seconds	+20/-32	48
5	+5 stamina every 13 seconds	+25/-40	80
6	+6 stamina every 13 seconds	+30/-48	120
7	+7 stamina every 13 seconds	+35/-56	168
8	+8 stamina every 13 seconds	+40/-64	224
9	+9 stamina every 13 seconds	+45/-72	288
10	+10 stamina every 13 seconds	+50/-80	360
11	+11 stamina every 13 seconds	+55/-88	440
12	+12 stamina every 13 seconds	+60/-96	528
13	+13 stamina every 13 seconds	+65/-104	624
14	+14 stamina every 13 seconds	+70/-112	728
15	+15 stamina every 13 seconds	+75/-120	840
16	+16 stamina every 13 seconds	+80/-128	960
17	+17 stamina every 13 seconds	+85/-136	1088
18	+18 stamina every 13 seconds	+90/-144	1224
19	+19 stamina every 13 seconds	+95/-152	1368
20	+12 stamina every 8 seconds	+100/-	1520	(1)

(1) - This is equal to 1.5 stamina per second.

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Superior Nourish Gem

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This epic augment gem increases stamina regeneration by a significant amount.

Lvl	Effect	AP	Total	Notes
1	+1 stamina every 8 seconds	+15/-24	-
2	+2 stamina every 8 seconds	+30/-48	24
3	+3 stamina every 8 seconds	+45/-72	72
4	+4 stamina every 8 seconds	+75/-120	144
5	+5 stamina every 8 seconds	+75/-120	240
6	+6 stamina every 8 seconds	+90/-144	360
7	+7 stamina every 8 seconds	+105/-168	504
8	+8 stamina every 8 seconds	+120/-192	672
9	+9 stamina every 8 seconds	+135/-216	864
10	+10 stamina every 8 seconds	+150/-240	1080
11	+11 stamina every 8 seconds	+165/-264	1320
12	+12 stamina every 8 seconds	+180/-288	1584
13	+13 stamina every 8 seconds	+195/-312	1872
14	+14 stamina every 8 seconds	+210/-336	2184
15	+15 stamina every 8 seconds	+225/-360	2520
16	+16 stamina every 8 seconds	+240/-384	2880
17	+17 stamina every 8 seconds	+255/-408	3264
18	+18 stamina every 8 seconds	+270/-432	3672
19	+19 stamina every 8 seconds	+285/-456	4104
20	+15 stamina every 6 seconds	+300/-	4560	(1)

(1) - This is equal to 2.5 stamina per second.

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Poison, Bleed, Cripple and Sunder Gems

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These rare augment gems add a chance to apply the corresponding condition with every weapon hit. This seems to apply to melee and ranged weapons, as well as AoC magic.

Lvl	Effect	AP	Total	Notes
1	2% chance	+8/-13	-
2	4% chance	+16/-26	13
3	6% chance	+24/-39	39
4	8% chance	+32/-52	78
5	10% chance	+40/-65	130
6	12% chance	+48/-78	195
7	14% chance	+56/-91	273
8	16% chance	+64/-104	364
9	18% chance	+72/-117	468
10	20% chance	+80/-130	585
11	22% chance	+88/-143	715
12	24% chance	+96/-156	858
13	26% chance	+104/-169	1014
14	28% chance	+112/-182	1183
15	30% chance	+120/-195	1365
16	32% chance	+128/-208	1560
17	34% chance	+136/-221	1768
18	34% chance	+144/-234	1989	(1)
19	36% chance	+152/-247	2223
20	50% chance	+160/-	2470	(2)

(1) - Strangely this upgrade does not provide any additional chance. This could be a bug.
(2) - In addition to the progression, the level 20 bonus appears to be an another 12% chance.

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Agile, Strength, and Vitality Gems

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These rare augment gems increase the following attributes:

Agile: Accuracy and Agility
Strength: Strength and Encumbrance
Vitality: Vitality and Grit

Lvl	Effect	AP	Total	Notes
1	+1, +1	+8/-13	-
2	+1, +2	+16/-26	13
3	+2, +2	+24/-39	39
4	+3, +2	+32/-52	78
5	+3, +3	+40/-65	130
6	+3, +4	+48/-78	195
7	+4, +4	+56/-91	273
8	+5, +4	+64/-104	364
9	+5, +5	+72/-117	468
10	+5, +6	+80/-130	585
11	+6, +6	+88/-143	715
12	+7, +6	+96/-156	858
13	+7, +7	+104/-169	1014
14	+8, +7	+112/-182	1183
15	+8, +8	+120/-195	1365
16	+8, +9	+128/-208	1560
17	+9, +9	+136/-221	1768
18	+10, +9	+144/-234	1989
19	+10, +10	+152/-247	2223
20	+12, +12	+160/-	2470	(1)

(1) - In addition to the progression, the level 20 bonus appears to be another +1 and +2, which sets both attributes at +12.

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Conviction Gem

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This rare augment gem deals additional true damage with each weapon hit. The bonus damage seems to apply to melee and ranged weapons, as well as AoC magic.

Lvl	Effect	AP	Total	Notes
1	+1 true damage	+8/-13	-
2	+2 true damage	+16/-26	13
3	+3 true damage	+24/-39	39
4	+4 true damage	+32/-52	78
5	+5 true damage	+40/-65	130
6	+6 true damage	+48/-78	195
7	+7 true damage	+56/-91	273
8	+8 true damage	+64/-104	364
9	+9 true damage	+72/-117	468
10	+10 true damage	+80/-130	585
11	+11 true damage	+88/-143	715
12	+12 true damage	+96/-156	858
13	+13 true damage	+104/-169	1014
14	+14 true damage	+112/-182	1183
15	+15 true damage	+120/-195	1365
16	+16 true damage	+128/-208	1560
17	+17 true damage	+136/-221	1768
18	+18 true damage	+144/-234	1989
19	+19 true damage	+152/-247	2223
20	+25 true damage	+160/-	2470	(1)

(1) - In addition to the progression, the level 20 bonus appears to be another +5 true damage.

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Retaliation Gem

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This epic augment gem adds a chance to deal back lightning damage each time damage is received from an enemy.

Lvl	Effect	AP	Total	Notes
1	20%, 8 lightning damage (Avg: 1.60)	+15/-24	-
2	20%, 9 lightning damage (Avg: 1.80)	+30/-48	24
3	21%, 9 lightning damage (Avg: 1.89)	+45/-72	72	(1)
4	21%, 10 lightning damage (Avg: 2.10)	+60/-96	144
5	22%, 10 lightning damage (Avg: 2.20)	+75/-120	240
6	22%, 11 lightning damage (Avg: 2.42)	+90/-144	360
7	23%, 11 lightning damage (Avg: 2.53)	+105/-168	504
8	23%, 12 lightning damage (Avg: 2.76)	+120/-192	672
9	24%, 12 lightning damage (Avg: 2.88)	+135/-216	864
10	24%, 13 lightning damage (Avg: 3.12)	+150/-240	1080
11	25%, 13 lightning damage (Avg: 3.25)	+165/-264	1320
12	25%, 14 lightning damage (Avg: 3.50)	+180/-288	1584
13	26%, 14 lightning damage (Avg: 3.64)	+195/-312	1872
14	26%, 15 lightning damage (Avg: 3.90)	+210/-336	2184
15	27%, 15 lightning damage (Avg: 4.05)	+225/-360	2520
16	27%, 16 lightning damage (Avg: 4.32)	+240/-384	2880
17	28%, 16 lightning damage (Avg: 4.48)	+255/-408	3264
18	28%, 17 lightning damage (Avg: 4.76)	+270/-432	3672
19	29%, 17 lightning damage (Avg: 4.93)	+285/-456	4104
20	32%, 20 lightning damage (Avg: 6.40)	+300/-	4560	(2)

(1) - For the levels where only the chance is increased, the overall gain in effectiveness is less than the levels were damage is increased.
(2) - In addition to the progression, the level 20 bonus appears to be another +3% chance as well as +2 lightning damage.

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Heatup Gem

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This epic augment gem deals back fire damage when damage is received from an enemy, after not taking any damage for 10 seconds.

Lvl	Effect	AP	Total	Notes
1	10 fire damage	+15/-24	-
2	12 fire damage	+30/-48	24
3	14 fire damage	+45/-72	72
4	16 fire damage	+60/-96	144
5	18 fire damage	+75/-120	240
6	20 fire damage	+90/-144	360
7	22 fire damage	+105/-168	504
8	24 fire damage	+120/-192	672
9	26 fire damage	+135/-216	864
10	28 fire damage	+150/-240	1080
11	30 fire damage	+165/-264	1320
12	32 fire damage	+180/-288	1584
13	34 fire damage	+195/-312	1872
14	36 fire damage	+210/-336	2184
15	38 fire damage	+225/-360	2520
16	40 fire damage	+240/-384	2880
17	42 fire damage	+255/-408	3264
18	44 fire damage	+270/-432	3672
19	46 fire damage	+285/-456	4104
20	52 fire damage	+300/-	4560	(1)

(1) - In addition to the progression, the level 20 bonus appears to be another +14 fire damage.

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Corruptor Gem

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This epic augment gem deals back corruption damage each time damage is received from an enemy. The damage dealt is a percentage of the current corruption.

Lvl	Effect	AP	Total	Notes
1	1.0% current corruption	+15/-24	-
2	1.5% current corruption	+30/-48	24
3	2.0% current corruption	+45/-72	72
4	2.5% current corruption	+60/-96	144
5	3.0% current corruption	+75/-120	240
6	3.5% current corruption	+90/-144	360
7	4.0% current corruption	+105/-168	504
8	4.5% current corruption	+120/-192	672
9	5.0% current corruption	+135/-216	864
10	5.5% current corruption	+150/-240	1080
11	6.0% current corruption	+165/-264	1320
12	6.5% current corruption	+180/-288	1584
13	7.0% current corruption	+195/-312	1872
14	7.5% current corruption	+210/-336	2184
15	8.0% current corruption	+225/-360	2520
16	8.5% current corruption	+240/-384	2880
17	9.0% current corruption	+255/-408	3264
18	9.5% current corruption	+270/-432	3672
19	10.0% current corruption	+285/-456	4104
20	12.5% current corruption	+300/-	4560	(1)

(1) - In addition to the progression, the level 20 bonus appears to be another 2%.

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Elder Gem

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This epic augment gem deals back elder damage each time damage is received from an enemy. The damage dealt is a percentage of the armor rating.

Lvl	Effect	AP	Total	Notes
1	0.25% armor	+15/-24	-
2	0.50% armor	+30/-48	24
3	0.75% armor	+45/-72	72
4	1.00% armor	+60/-96	144
5	1.25% armor	+75/-120	240
6	1.50% armor	+90/-144	360
7	1.75% armor	+105/-168	504
8	2.00% armor	+120/-192	672
9	2.25% armor	+135/-216	864
10	2.50% armor	+150/-240	1080
11	2.75% armor	+165/-264	1320
12	3.00% armor	+180/-288	1584
13	3.25% armor	+195/-312	1872
14	3.50% armor	+210/-336	2184
15	3.75% armor	+225/-360	2520
16	4.00% armor	+240/-384	2880
17	4.25% armor	+255/-408	3264
18	4.50% armor	+270/-432	3672
19	4.75% armor	+285/-456	4104
20	6.00% armor	+300/-	4560	(1)

(1) - In addition to the progression, the level 20 bonus appears to be another 1%.

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Blazing, Corruption, Chilling, and Shocking Gems

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These epic uncommon augment gems deal additional elemental damage with each weapon hit. The bonus damage seems to apply to melee and ranged weapons, as well as AoC magic. The elemental damage type dealt are:

Blazing: Fire
Corruption: Corruption
Chilling: Cold
Shocking: Lightning

Lvl	Effect	AP	Total	Notes
1	+2 elemental damage	+15/-24	-
2	+3 elemental damage	+30/-48	24
3	+4 elemental damage	+45/-72	72
4	+5 elemental damage	+60/-96	144
5	+6 elemental damage	+75/-120	240
6	+7 elemental damage	+90/-144	360
7	+8 elemental damage	+105/-168	504
8	+9 elemental damage	+120/-192	672
9	+10 elemental damage	+135/-216	864
10	+11 elemental damage	+150/-240	1080
11	+12 elemental damage	+165/-264	1320
12	+13 elemental damage	+180/-288	1584
13	+14 elemental damage	+195/-312	1872
14	+15 elemental damage	+210/-336	2184
15	+16 elemental damage	+225/-360	2520
16	+17 elemental damage	+240/-384	2880
17	+18 elemental damage	+255/-408	3264
18	+19 elemental damage	+270/-432	3672
19	+20 elemental damage	+285/-456	4104
20	+25 elemental damage	+300/-	4560	(1)

(1) - In addition to the progression, the level 20 bonus appears to be another +4 elemental damage.

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Glass Gem

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This unique augment gem deals additional cold damage with each weapon hit. But this also increases the damage received from the enemy in the form of cold damage. The bonus damage seems to apply to melee and ranged weapons, as well as AoC magic.

Lvl	Effect	AP	Total	Notes
1	+15 cold damage, take +25 cold damage	+30/-48	-
2	+18 cold damage, take +25 cold damage	+60/-96	48
3	+21 cold damage, take +25 cold damage	+90/-144	144
4	+24 cold damage, take +25 cold damage	+120/-192	288
5	+27 cold damage, take +25 cold damage	+150/-240	480
6	+30 cold damage, take +25 cold damage	+180/-288	720
7	+33 cold damage, take +25 cold damage	+210/-336	1008
8	+36 cold damage, take +25 cold damage	+240/-384	1344
9	+39 cold damage, take +25 cold damage	+270/-432	1728
10	+41 cold damage, take +25 cold damage	+300/-480	2160	(1)
11	+43 cold damage, take +25 cold damage	+330/-528	2640	(1)
12	+46 cold damage, take +25 cold damage	+360/-576	3168
13	+49 cold damage, take +25 cold damage	+390/-624	3744
14	+52 cold damage, take +25 cold damage	+420/-672	4368
15	+55 cold damage, take +25 cold damage	+450/-720	5040
16	+58 cold damage, take +25 cold damage	+480/-768	5760
17	+61 cold damage, take +25 cold damage	+510/-816	6528
18	+64 cold damage, take +25 cold damage	+540/-864	7344
19	+67 cold damage, take +25 cold damage	+570/-912	8208
20	+70 cold damage, take +18 cold damage	+600/-	9210	(2)

(1) - Curiously these upgrades only add +2 each level instead of +3. It's possible this may be a bug.
(2) - In addition to the progression, the level 20 bonus appears to reduce the received cold damage down to 18.

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Regrowth Gem

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This unique augment gem heals a percentage of the maximum HP over time when damaged by an enemy.

Lvl	Effect	AP	Total	Notes
1	1.0% of maximum HP over 8 seconds	+30/-48	-
2	1.5% of maximum HP over 8 seconds	+60/-96	48
3	2.0% of maximum HP over 8 seconds	+90/-144	144
4	2.5% of maximum HP over 8 seconds	+120/-192	288
5	3.0% of maximum HP over 8 seconds	+150/-240	480
6	3.5% of maximum HP over 8 seconds	+180/-288	720
7	4.0% of maximum HP over 8 seconds	+210/-336	1008
8	4.5% of maximum HP over 8 seconds	+240/-384	1344
9	5.0% of maximum HP over 8 seconds	+270/-432	1728
10	5.5% of maximum HP over 8 seconds	+300/-480	2160
11	6.0% of maximum HP over 8 seconds	+330/-528	2640
12	6.5% of maximum HP over 8 seconds	+360/-576	3168
13	7.0% of maximum HP over 8 seconds	+390/-624	3744
14	7.5% of maximum HP over 8 seconds	+420/-672	4368
15	8.0% of maximum HP over 8 seconds	+450/-720	5040
16	8.5% of maximum HP over 8 seconds	+480/-768	5760
17	9.0% of maximum HP over 8 seconds	+510/-816	6528
18	9.5% of maximum HP over 8 seconds	+540/-864	7344
19	10.0% of maximum HP over 8 seconds	+570/-912	8208
20	10.5% of maximum HP over 5 seconds	+600/-	9210	(1)

(1) - In addition to the progression, the level 20 bonus appears to shorten the duration to 5 seconds.

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Culling Gem

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This unique augment gem adds a chance to deal 50% bonus true damage with each weapon hit. The bonus damage seems to apply to melee and ranged weapons, as well as AoC magic.

Lvl	Effect	AP	Total	Notes
1	0.5% chance	+30/-48	-
2	1.0% chance	+60/-96	48
3	1.5% chance	+90/-144	144
4	2.0% chance	+120/-192	288
5	2.5% chance	+150/-240	480
6	3.0% chance	+180/-288	720
7	3.5% chance	+210/-336	1008
8	4.0% chance	+240/-384	1344
9	4.5% chance	+270/-432	1728
10	5.0% chance	+300/-480	2160
11	5.5% chance	+330/-528	2640
12	6.0% chance	+360/-576	3168
13	6.5% chance	+390/-624	3744
14	7.0% chance	+420/-672	4368
15	7.5% chance	+450/-720	5040
16	8.0% chance	+480/-768	5760
17	8.5% chance	+510/-816	6528
18	9.0% chance	+540/-864	7344
19	9.5% chance	+570/-912	8208
20	12.5% chance	+600/-	9210	(1)

(1) - In addition to the progression, the level 20 bonus appears to add another 2.5%.

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Vampiric Gem

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This unique augment gem heals HP with each weapon hit. The healing is a percentage of the damage dealt. The healing seems to apply to melee and ranged weapons, as well as AoC magic.

Lvl	Effect	AP	Total	Notes
1	0.5% of damage dealt	+30/-48	-
2	1.0% of damage dealt	+60/-96	48
3	1.5% of damage dealt	+90/-144	144
4	2.0% of damage dealt	+120/-192	288
5	2.5% of damage dealt	+150/-240	480
6	3.0% of damage dealt	+180/-288	720
7	3.5% of damage dealt	+210/-336	1008
8	4.0% of damage dealt	+240/-384	1344
9	4.5% of damage dealt	+270/-432	1728
10	5.0% of damage dealt	+300/-480	2160
11	5.5% of damage dealt	+330/-528	2640
12	6.0% of damage dealt	+360/-576	3168
13	6.5% of damage dealt	+390/-624	3744
14	7.0% of damage dealt	+420/-672	4368
15	7.5% of damage dealt	+450/-720	5040
16	8.0% of damage dealt	+480/-768	5760
17	8.5% of damage dealt	+510/-816	6528
18	9.0% of damage dealt	+540/-864	7344
19	9.5% of damage dealt	+570/-912	8208
20	11% of damage dealt	+600/-	9210	(1)

(1) - In addition to the progression, the level 20 bonus appears to add another 1%.

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Hell Gem

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This unique augment gem provides immunity to burning, as well as deals additional fire damage with every weapon hit. But this also increase damage received from the enemy in the form of cold damage. The bonus damage seems to apply to melee and ranged weapons, as well as AoC magic.

Lvl	Effect	AP	Total	Notes
1	+20 fire damage, take +20 cold damage	+30/-48	-
2	+25 fire damage, take +25 cold damage	+60/-96	48
3	+30 fire damage, take +30 cold damage	+90/-144	144
4	+35 fire damage, take +35 cold damage	+120/-192	288
5	+40 fire damage, take +40 cold damage	+150/-240	480
6	+45 fire damage, take +45 cold damage	+180/-288	720
7	+50 fire damage, take +50 cold damage	+210/-336	1008
8	+55 fire damage, take +55 cold damage	+240/-384	1344
9	+60 fire damage, take +60 cold damage	+270/-432	1728
10	+65 fire damage, take +65 cold damage	+300/-480	2160
11	+70 fire damage, take +70 cold damage	+330/-528	2640
12	+75 fire damage, take +75 cold damage	+360/-576	3168
13	+80 fire damage, take +80 cold damage	+390/-624	3744
14	+85 fire damage, take +85 cold damage	+420/-672	4368
15	+90 fire damage, take +90 cold damage	+450/-720	5040
16	+95 fire damage, take +95 cold damage	+480/-768	5760
17	+100 fire damage, take +100 cold damage	+510/-816	6528
18	+105 fire damage, take +105 cold damage	+540/-864	7344
19	+110 fire damage, take +110 cold damage	+570/-912	8208
20	+120 fire damage, take +80 cold damage	+600/-	9210	(1)

(1) - In addition to the progression, the level 20 bonus appears to add another +5 damage, as well as reduce the damage taken down to 80.