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RO Codex Adventurer's Index RO Codex ROM Eternal Love

Serpent Domain

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Serpent Domain
Active
Magic
Buff
10 levels
Serpent Domain

●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 3%. When an enemy is in the domain, all their debuff res is reduced by 5%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained.

Skill type
Buff
Target
Enemy
Range
6 m
Cooldown
6 s
Cast delay
1 s
SP cost
100
Available to
Jobs that teach this skill.
1 jobs
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 1–10
Metric
Max level 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 - - - - - - - - - -
Hits - - - - - - - - - -
SP cost
100
100
100
100
100
100
100
100
100
100
Cast time - - - - - - - - - -
Cooldown
6 s
6 s
6 s
6 s
6 s
6 s
6 s
6 s
6 s
6 s
Cast delay
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s
Range
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
Applied effects
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Self
Slow Atk: +3% Chaos Atk: +3% Dark State Atk: +3% Bleed Atk: +3% Stun Atk: +3% Stone Atk: +3% Sleep Atk: +3% Curse Atk: +3% Silence Atk: +3% Blind Atk: +3% Poison Damage: +3% Freeze Atk: +3%
Enemy
Dark State Def: -5% Stone Def: -5% Bleed Def: -5% Curse Def: -5% Stun Def: -5% Slow Def: -5% Sleep Def: -5% Freeze Def: -5% Blind Def: -5% Silence Def: -5% Chaos Def: -5% Poison Resistance: -5%
Enemy
Status: Venom Etching (summoned creature)
Enemy
Movement Speed: +32%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Movement Speed: +36%
Enemy
Movement Speed: +40%
Enemy
Movement Speed: +200% Movement Speed: +200%
Enemy
Physical Defense: -50% Restriction: Cannot be moved by effects Restriction: Cannot use skills Restriction: Cannot act Status: Frozen
Enemy
Del Hp %: +20%
Enemy
Description ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 30%. When an enemy is in the domain, all their debuff res is reduced by 50%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 27%. When an enemy is in the domain, all their debuff res is reduced by 45%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 24%. When an enemy is in the domain, all their debuff res is reduced by 40%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 21%. When an enemy is in the domain, all their debuff res is reduced by 35%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 18%. When an enemy is in the domain, all their debuff res is reduced by 30%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 15%. When an enemy is in the domain, all their debuff res is reduced by 25%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 12%. When an enemy is in the domain, all their debuff res is reduced by 20%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 9%. When an enemy is in the domain, all their debuff res is reduced by 15%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 6%. When an enemy is in the domain, all their debuff res is reduced by 10%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained. ●Creates a Serpent Domain at the specified location. When Jörmungandr is in the domain, ATK of all his debuff skills increases by 3%. When an enemy is in the domain, all their debuff res is reduced by 5%. The Serpent Domain lasts 30s. There can only be one at a time. ●The domain uses [Venom Erosion] on summoned enemy units that are alive. ●Whenever [Stack-up] is triggered 3 times in the range, gains 1 [Serpent Echo]: Final DMG +10%. [Serpent Echo] lasts 10s. Up to 3 can be gained.
Applied effects
Buffs and stat changes applied by this skill at maximum level (10).

Snake Domain

Self
Applied change
Slow Atk
+3%
Formula: Configured client value +3%
Chaos Atk
+3%
Formula: Configured client value +3%
Dark State Atk
+3%
Formula: Configured client value +3%
Bleed Atk
+3%
Formula: Configured client value +3%
Stun Atk
+3%
Formula: Configured client value +3%
Stone Atk
+3%
Formula: Configured client value +3%
Sleep Atk
+3%
Formula: Configured client value +3%
Curse Atk
+3%
Formula: Configured client value +3%
Silence Atk
+3%
Formula: Configured client value +3%
Blind Atk
+3%
Formula: Configured client value +3%
Poison Damage
+3%
Formula: Configured client value +3%
Freeze Atk
+3%
Formula: Configured client value +3%

Snake's domain (reduce abnormal state resistance)

Enemy
Applied change
Dark State Def
-5%
Formula: Configured client value -5%
Stone Def
-5%
Formula: Configured client value -5%
Bleed Def
-5%
Formula: Configured client value -5%
Curse Def
-5%
Formula: Configured client value -5%
Stun Def
-5%
Formula: Configured client value -5%
Slow Def
-5%
Formula: Configured client value -5%
Sleep Def
-5%
Formula: Configured client value -5%
Freeze Def
-5%
Formula: Configured client value -5%
Blind Def
-5%
Formula: Configured client value -5%
Silence Def
-5%
Formula: Configured client value -5%
Chaos Def
-5%
Formula: Configured client value -5%
Poison Resistance
-5%
Formula: Configured client value -5%

Venom Etching (summoned creature)

Enemy
Applied change
Applied Buff
Status
Venom Etching (summoned creature)

Moonlight Flower ★ Card+1

Permanently increases movement speed by 32%.

Enemy
Applied change
Movement Speed
+32%

Moonlight Flower ★ Card+1

Immune to Speed Reduc.

Enemy
Applied change
Attr Control
Movement Speed
+200%
Movement Speed
+200%

Moonlight Flower ★ Card+2

Permanently increases movement speed by 36%.

Enemy
Applied change
Movement Speed
+36%

Moonlight Flower ★ Card+3

Permanently increases movement speed by 40%.

Enemy
Applied change
Movement Speed
+40%

Moonlight Flower ★ Card+2

Immune to Speed Reduc.

Enemy
Applied change
Attr Control
Movement Speed
+200%
Movement Speed
+200%

Petrified

Enemy
Applied change
Physical Defense
-50%
Restriction
Cannot be moved by effects
Restriction
Cannot use skills
Restriction
Cannot act
Status
Frozen

Petrified

Enemy
Applied change
Hp Reduce
Del Hp %
+20%

Petrification (special effects)

Enemy
Applied change
Set Shader
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