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RO Codex Adventurer's Index RO Codex ROM Eternal Love

Deadly Poison

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Deadly Poison
Active
Buff
10 levels
Deadly Poison

Drink Fatal Poison, non-poison element damage you take is reduced by 5%, poison element attack increased by 2%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state

Skill type
Buff
Target
Friend
Range
0 m
Cooldown
8 s
Cast delay
1 s
SP cost
35
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
80
75
70
65
60
55
50
45
40
35
Cast time - - - - - - - - - -
Cooldown
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
8 s
Cast delay
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s
Range
0 m
0 m
0 m
0 m
0 m
0 m
0 m
0 m
0 m
0 m
Skill points
1
1
1
1
1
1
1
1
1
1
Applied effects
Self
Fire Damage Reduction: +50% Neutral Damage Reduction: +50% Wind Damage Reduction: +50% Water Damage Reduction: +50% Poisoning Atk: +20% Ghost Damage Reduction: +50% Undead Damage Reduction: +50% Dark Damage Reduction: +50% Earth Damage Reduction: +50% Holy Damage Reduction: +50%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +45% Neutral Damage Reduction: +45% Wind Damage Reduction: +45% Water Damage Reduction: +45% Poisoning Atk: +18% Ghost Damage Reduction: +45% Undead Damage Reduction: +45% Dark Damage Reduction: +45% Earth Damage Reduction: +45% Holy Damage Reduction: +45%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +40% Neutral Damage Reduction: +40% Wind Damage Reduction: +40% Water Damage Reduction: +40% Poisoning Atk: +16% Ghost Damage Reduction: +40% Undead Damage Reduction: +40% Dark Damage Reduction: +40% Earth Damage Reduction: +40% Holy Damage Reduction: +40%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +35% Neutral Damage Reduction: +35% Wind Damage Reduction: +35% Water Damage Reduction: +35% Poisoning Atk: +14.00% Ghost Damage Reduction: +35% Undead Damage Reduction: +35% Dark Damage Reduction: +35% Earth Damage Reduction: +35% Holy Damage Reduction: +35%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +30.00% Neutral Damage Reduction: +30.00% Wind Damage Reduction: +30.00% Water Damage Reduction: +30.00% Poisoning Atk: +12% Ghost Damage Reduction: +30.00% Undead Damage Reduction: +30.00% Dark Damage Reduction: +30.00% Earth Damage Reduction: +30.00% Holy Damage Reduction: +30.00%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +25% Neutral Damage Reduction: +25% Wind Damage Reduction: +25% Water Damage Reduction: +25% Poisoning Atk: +10% Ghost Damage Reduction: +25% Undead Damage Reduction: +25% Dark Damage Reduction: +25% Earth Damage Reduction: +25% Holy Damage Reduction: +25%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +20% Neutral Damage Reduction: +20% Wind Damage Reduction: +20% Water Damage Reduction: +20% Poisoning Atk: +8% Ghost Damage Reduction: +20% Undead Damage Reduction: +20% Dark Damage Reduction: +20% Earth Damage Reduction: +20% Holy Damage Reduction: +20%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +15.00% Neutral Damage Reduction: +15.00% Wind Damage Reduction: +15.00% Water Damage Reduction: +15.00% Poisoning Atk: +6% Ghost Damage Reduction: +15.00% Undead Damage Reduction: +15.00% Dark Damage Reduction: +15.00% Earth Damage Reduction: +15.00% Holy Damage Reduction: +15.00%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +10% Neutral Damage Reduction: +10% Wind Damage Reduction: +10% Water Damage Reduction: +10% Poisoning Atk: +4% Ghost Damage Reduction: +10% Undead Damage Reduction: +10% Dark Damage Reduction: +10% Earth Damage Reduction: +10% Holy Damage Reduction: +10%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Self
Fire Damage Reduction: +5% Neutral Damage Reduction: +5% Wind Damage Reduction: +5% Water Damage Reduction: +5% Poisoning Atk: +2% Ghost Damage Reduction: +5% Undead Damage Reduction: +5% Dark Damage Reduction: +5% Earth Damage Reduction: +5% Holy Damage Reduction: +5%
Self
Status: Delay Add Poison
Self
Status: Hide and Seek
Self
Physical Defense: -25%
Self
Del Hp %: +20% Maximum stacks: 3
Self
Hidden: 1
Self
Skill Damage Reduction: +3%
Description Drink Fatal Poison, non-poison element damage you take is reduced by 50%, poison element attack increased by 20%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 45%, poison element attack increased by 18%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 40%, poison element attack increased by 16%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 35%, poison element attack increased by 14%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 30%, poison element attack increased by 12%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 25%, poison element attack increased by 10%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 20%, poison element attack increased by 8%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 15%, poison element attack increased by 6%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 10%, poison element attack increased by 4%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state Drink Fatal Poison, non-poison element damage you take is reduced by 5%, poison element attack increased by 2%, for 30 seconds. If in the [Bloodline of the Deceased] state, also put yourself into [Poisoned] state
Applied effects
Buffs and stat changes applied by this skill at maximum level (10).

Deadly Poison (Attribute)

Increase Poison Element DMG and other Element DMG Reduction

Self
Applied change
Fire Damage Reduction
+50%
Formula: +5% × skill level + 0%
Neutral Damage Reduction
+50%
Formula: +5% × skill level + 0%
Wind Damage Reduction
+50%
Formula: +5% × skill level + 0%
Water Damage Reduction
+50%
Formula: +5% × skill level + 0%
Poisoning Atk
+20%
Formula: +2% × skill level + 0%
Ghost Damage Reduction
+50%
Formula: +5% × skill level + 0%
Undead Damage Reduction
+50%
Formula: +5% × skill level + 0%
Dark Damage Reduction
+50%
Formula: +5% × skill level + 0%
Earth Damage Reduction
+50%
Formula: +5% × skill level + 0%
Holy Damage Reduction
+50%
Formula: +5% × skill level + 0%

Delay Add Poison

Self
When

After 0.50 s

Applied change
Applied Buff
Status
Delay Add Poison

Hide and Seek

Self
Applied change
Applied Buff
Status
Hide and Seek

Deadly Poison (Poisoned)

Self
Applied change
Physical Defense
-25%

Deadly Poison (Poisoned)

Falling into Poisoned Status

Self
Applied change
Del Hp %
+20%
Maximum stacks
3

Deadly Poison effect

Self
Applied change
Hide
Hidden
1

Deadly Poison effect

Self
Applied change
Skill Damage Reduction
+3%
Formula: Configured client value +3%
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