(01) (Skills / Assassin) © 2026
Ambush.
Assassin active mastery skill, unlocked at level 3.
What it does
Deals 126 damage to a target within 4m. Increases damage by 30% on landing as a Back attack. 7 Stagger Gauge Damage
Text from the KR/TW client; Global numbers may differ.
Specialisations
3 slots| From level | Effect |
|---|---|
| 8 | Engraves 2 Insignias for 10s on landing as a Back attack |
| 8 | Absorbs 3% HP |
| 8 | Breaks Protective Shields on hit |
| 12 | 50% chance to trigger [Whirlwind Slice] on hit |
| 16 | +2 consecutive uses |
Point cost
21 points in total| Skill level | Points | Character level |
|---|---|---|
| 1 | 0 | 3 |
| 2 | 1 | 3 |
| 3 | 1 | 6 |
| 4 | 1 | 9 |
| 5 | 2 | 12 |
| 6 | 2 | 15 |
| 7 | 2 | 18 |
| 8 | 4 | 21 |
| 9 | 4 | 24 |
| 10 | 4 | 27 |
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.