Determination.

Assassin passive mastery skill, unlocked at level 25.

Global · 19 Sept 2026

What it does

Deals 189 damage when landing an attack on a target with 13800007% HP or less. Cooldown: 13800007

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

Point cost

21 points in total

Skill level	Points	Character level
1	0	25
2	1	25
3	1	25
4	1	25
5	2	25
6	2	25
7	2	25
8	4	25
9	4	25
10	4	25

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 Apply Poison Passive · level 9

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.