Acid Terror — Alchemist Skill Guide | RO Codex: ROM Eternal Love

Active

Physical

Attack

20 levels

Acid Terror

Use acid to deal Dmg (Atk ×300% ＋M.Atk ×300%) to a single enemy, with a 6% chance to cause HP loss and a 1% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]

Skill type: Attack
Target: Enemy
Range: 6 m
Cast time: 1 s
Cast delay: 2 s
SP cost: 12
Damage: 300%

Available to

Jobs that teach this skill.

1 jobs

Alchemist

Physical · 6

Unlock requirements

Skills required before the first level can be learned.

No prerequisite skill is required.

Level comparison

Start with the max-level result, then compare exact client values and learning costs at every lower level.

Levels 1–20

Metric	Max level Level 20	Level 19 Level 19	Level 18 Level 18	Level 17 Level 17	Level 16 Level 16	Level 15 Level 15	Level 14 Level 14	Level 13 Level 13	Level 12 Level 12	Level 11 Level 11	Level 10 Level 10	Level 9 Level 9	Level 8 Level 8	Level 7 Level 7	Level 6 Level 6	Level 5 Level 5	Level 4 Level 4	Level 3 Level 3	Level 2 Level 2	Level 1 Level 1
Damage	1,130%	1,110%	1,090%	1,070%	1,050%	1,030%	1,010%	990%	970.00%	950%	930.00%	860%	790%	720%	650%	580%	510.00%	440.00%	370%	300%
Hits	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
SP cost	40	39	38	37	36	35	34	33	32	31	30	28	26	24	22	20	18	16	14	12
Cast time	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s	1 s
Cooldown	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Cast delay	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s	2 s
Range	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m	6 m
Skill points	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Applied effects	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%	Enemy Status: Bleed Effect Enemy Duration: 60 s Enemy Physical Damage Reduction: -1.50% Physical Defense: -2% Enemy Status: Acid Terror effect Enemy Physical Attack: -25% Enemy Del Hp %: +20% Enemy Skill Damage Reduction: -10% Physical Damage Reduction: -5%
Description	Use acid to deal Dmg (Atk ×1130% ＋M.Atk ×850%) to a single enemy, with a 25% chance to cause HP loss and a 20% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×1110% ＋M.Atk ×840%) to a single enemy, with a 24% chance to cause HP loss and a 19% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×1090% ＋M.Atk ×830%) to a single enemy, with a 23% chance to cause HP loss and a 18% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×1070% ＋M.Atk ×820%) to a single enemy, with a 22% chance to cause HP loss and a 17% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×1050% ＋M.Atk ×810%) to a single enemy, with a 21% chance to cause HP loss and a 16% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×1030% ＋M.Atk ×800%) to a single enemy, with a 20% chance to cause HP loss and a 15% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×1010% ＋M.Atk ×790%) to a single enemy, with a 19% chance to cause HP loss and a 14% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×990% ＋M.Atk ×780%) to a single enemy, with a 18% chance to cause HP loss and a 13% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×970% ＋M.Atk ×770%) to a single enemy, with a 17% chance to cause HP loss and a 12% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×950% ＋M.Atk ×760%) to a single enemy, with a 16% chance to cause HP loss and a 11% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×930% ＋M.Atk ×750%) to a single enemy, with a 15% chance to cause HP loss and a 10% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×860% ＋M.Atk ×700%) to a single enemy, with a 14% chance to cause HP loss and a 9% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×790% ＋M.Atk ×650%) to a single enemy, with a 13% chance to cause HP loss and a 8% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×720% ＋M.Atk ×600%) to a single enemy, with a 12% chance to cause HP loss and a 7% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×650% ＋M.Atk ×550%) to a single enemy, with a 11% chance to cause HP loss and a 6% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×580% ＋M.Atk ×500%) to a single enemy, with a 10% chance to cause HP loss and a 5% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×510% ＋M.Atk ×450%) to a single enemy, with a 9% chance to cause HP loss and a 4% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×440% ＋M.Atk ×400%) to a single enemy, with a 8% chance to cause HP loss and a 3% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×370% ＋M.Atk ×350%) to a single enemy, with a 7% chance to cause HP loss and a 2% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]	Use acid to deal Dmg (Atk ×300% ＋M.Atk ×300%) to a single enemy, with a 6% chance to cause HP loss and a 1% chance to break enemy's armor. The skill's damage ignores enemy's Flee, [Kyrie Eleison] and [Auto Guard]

Applied effects

Buffs and stat changes applied by this skill at maximum level (20).

Bleed Effect

Enemy

Applied change

Applied Buff

Status: Bleed Effect

Acid destroys armors

Enemy

Applied change

Break Equip

Duration: 60 s

Chemical Etching

DMG Reduction down

Enemy

Applied change

Physical Damage Reduction: -1.50%; Formula: Configured client value -1.50%
Physical Defense: -2%; Formula: Configured client value -2%

Acid Terror effect

Enemy

Applied change

Applied Buff

Status: Acid Terror effect

Bleeding Effect [HP Loss]

Enemy

Applied change

Physical Attack: -25%

HP Loss Effect

Enemy

Applied change

Hp Reduce

Del Hp %: +20%

DMG Reduc. and Skill DMG Reduc. Reduced

Enemy

Applied change

Skill Damage Reduction: -10%
Physical Damage Reduction: -5%

How to compare skill levels

Compare damage, hits, SP, timing, requirements, and linked buffs at the same level. A new hit, target scope, or condition can matter more than the largest percentage increase. Read the related player guide