Apply Poison.

Assassin passive mastery skill, unlocked at level 9.

Global · 19 Sept 2026

What it does

Has a 13730007% chance to reduce the target's Incoming Heal by HpHealGetReduce% and inflict Poison for 10000 on landing an attack. Poison deals 10000~10000 Damage over Time every 1s. Cooldown: 13730007

Text from the KR/TW client; Global numbers may differ.

Point cost

21 points in total

Skill level	Points	Character level
1	0	9
2	1	9
3	1	12
4	1	15
5	2	18
6	2	21
7	2	24
8	4	27
9	4	30
10	4	33

More Assassin skills

All

Quick Slice Active · level 1 Savage Roar Active · level 1 Shadowstrike Active · level 1 Heightened Sixth Sense Passive · level 1 Dodge Active · level 1 Ambush Active · level 3 Heart Gore Active · level 4 Storm Rampage Active · level 5 Exploit Weakness Passive · level 6 Whirlwind Slice Active · level 7 Flash Slice Active · level 8 Infiltrate Active · level 10

Data from the Global client build of 19 Sept 2026 ; skill descriptions come from the KR/TW client, so a number inside one can differ on the Global servers — the tables above are Global values . Snapshot taken 30 Sept 2026. AtreiaLegend is an unofficial fan site, not affiliated with or endorsed by NCSOFT. AION and all related content are trademarks of NCSOFT Corporation.