Herald of Agony

Herald of Agony is a herald skill gem. When activated it reserves mana and grants a buff that gives a chance to inflict poison on enemies. Whenever the user poisons an enemy, it grants Virulence and summons an Agony Crawler minion, which becomes stronger with more stacks of Virulence.

Skill functions and interactions

Virulence buff cannot go above 40 stacks.

Agony Crawler Minion has an implicit 40% Physical to Chaos damage conversion.

Minion damage can be increased through many methods, such as:

• Gem level boosts, such as , , and .
• The Ring has modifiers that directly buff the skill
• Auras like supported by .
• Frenzy charges also apply to minions at a significant bonus. These can be granted to minions through the shield, , or an item providing it .
• Support gems such as: , , and also offer a considerable boost to minion damage. The Crawler is also immune to any form of damage and cannot die, making a great option.
• Temporary effects such as , , , and can also be taken advantage of.
• Debuffs such as Intimidate from also increase minion damage.
• Curses like also work.^{[confirmation needed because of 3.12 change]}

For faster clear speed consider supports such as , , , and . There is also an Uber Labyrinth enchantment that grants 2 additional projectiles to your Minion Crawler: Summoned Agony Crawler fires 2 additional Projectiles

Consider using to quickly teleport the Crawler to your location. This is useful when dealing with Proximity Shield mobs.

Gem level progression

Level			Physical Damage per Virulence	Attack Speed on Agony Crawler per Virulence	Physical Damage on Agony Crawler per Virulence	Exp.	Total Exp.
1	16	41	5%	2%	1 to 3	0	0
2	20	50	5%	2%	2 to 4	49725	49725
3	24	58	5%	2%	3 to 5	95714	145439
4	28	67	6%	2%	3 to 6	169595	315034
5	31	73	6%	2%	4 to 8	199345	514379
6	34	79	6%	2%	5 to 10	285815	800194
7	37	85	6%	2%	6 to 12	401344	1201538
8	40	92	6%	2%	8 to 14	554379	1755917
9	43	98	7%	2%	9 to 17	755049	2510966
10	46	104	7%	2%	11 to 21	1016533	3527499
11	49	111	7%	3%	13 to 25	1898602	5426101
12	52	117	7%	3%	16 to 30	1964019	7390120
13	55	123	8%	3%	19 to 35	2573731	9963851
14	58	130	8%	3%	23 to 42	4676439	14640290
15	60	134	8%	3%	26 to 47	3017327	17657617
16	62	138	8%	3%	29 to 53	7823001	25480618
17	64	142	8%	3%	32 to 60	15264208	40744826
18	66	146	9%	3%	36 to 67	26272845	67017671
19	68	151	9%	3%	40 to 75	62872274	129889945
20	70	155	9%	3%	45 to 84	212023122	341913067
21	72	159	9%	4%	51 to 94	N/A	N/A
22	74	N/A	9%	4%	57 to 105	N/A	N/A
23	76	N/A	10%	4%	63 to 117	N/A	N/A
24	78	N/A	10%	4%	71 to 131	N/A	N/A
25	80	N/A	10%	4%	79 to 146	N/A	N/A
26	82	N/A	10%	4%	88 to 163	N/A	N/A
27	84	N/A	10%	4%	98 to 182	N/A	N/A
28	86	N/A	11%	4%	109 to 203	N/A	N/A
29	88	N/A	11%	4%	122 to 226	N/A	N/A
30	90	N/A	11%	4%	136 to 252	N/A	N/A
31	91	N/A	11%	5%	143 to 266	N/A	N/A
32	92	N/A	11%	5%	151 to 280	N/A	N/A
33	93	N/A	11%	5%	159 to 296	N/A	N/A
34	94	N/A	12%	5%	168 to 312	N/A	N/A
35	95	N/A	12%	5%	177 to 329	N/A	N/A
36	96	N/A	12%	5%	187 to 347	N/A	N/A
37	97	N/A	12%	5%	197 to 366	N/A	N/A
38	98	N/A	12%	5%	208 to 386	N/A	N/A
39	99	N/A	12%	5%	219 to 407	N/A	N/A
40	100	N/A	12%	5%	231 to 429	N/A	N/A

Threshold jewels

The following threshold jewels augment Herald of Agony:

Related helmet enchantments

The following helmet enchantments affect Herald of Agony.

Related unique items

The following unique items are related to Herald of Agony:

Related passive skills

Passive skills

The following passive skills are related to Herald of Agony:

Ascendancy Passive skills

The following ascendancy passive skills are related to Herald of Agony:

Cluster jewel Passive skills

The following cluster jewel only passive skills are related to Herald of Agony:

Alternate skill effects

Herald of Agony has the following alternate skill effects:

Gallery

• 
  Scorpion with Celestial Herald Effect

Version history

Version	Changes
3.10.0	Agony Crawler now deals 5% increased physical damage per Virulence you have at gem level 1 (from 6%), up to 9% at gem level 20 (from 12%).
3.7.0	Now causes Agony Crawler to deal 6% increased physical damage per virulence you have at gem level 1 (from 10%), up to 12% at gem level 20 (from 19%).
3.5.0	The Agony Crawler summoned by this skill now deals increased Physical Damage per Virulence you have, rather than increased Damage.
3.4.2	The Herald of Agony skill gem now has a Chaos tag.
3.4.1	Fixed a bug where Blood Guard Herald and Faith Guard Herald effects were reversed when applied to Herald of Agony.
3.4.0	Herald of Agony has been added to the game.