Insignia Explosion.
Assassin active mastery skill, unlocked at level 14.
What it does
Select a target within 20m to deal 455 damage to up to 4 enemies within 4m and inflict Stun for 3000. Stun chance is doubled on NPC targets. Damage and Stun chance increases based on Insignia stacks. 1 stack: 509 damage, 3000% Stun chance 2 stacks: 564 damage, 3000% Stun chance 3 stacks: 619 damage, 3000% Stun chance 4 stacks: 673 damage, 3000% Stun chance 5 stacks: 728 damage, 3000% Stun chance 7 Stagger Gauge Damage
Text from the KR/TW client; Global numbers may differ.
Specialisations
3 slots| From level | Effect |
|---|---|
| 8 | Adds rotate effect |
| 8 | +50% Multi-Hit on hit |
| 8 | Keep 2 stacks of Insignias after [Insignia Explosion] |
| 12 | +1s Stun duration |
| 16 | -3s cooldown |
Point cost
21 points in total| Skill level | Points | Character level |
|---|---|---|
| 1 | 0 | 14 |
| 2 | 1 | 14 |
| 3 | 1 | 17 |
| 4 | 1 | 20 |
| 5 | 2 | 23 |
| 6 | 2 | 26 |
| 7 | 2 | 29 |
| 8 | 4 | 32 |
| 9 | 4 | 35 |
| 10 | 4 | 38 |
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.