Jointstrike: Corrode.
Spiritmaster active stigma, unlocked at level 22.
What it does
Select a target within 20m and deal 429 damage to up to 4 enemies within 4m of the target and inflict Corrode for 20000. Corrode: Increases damage taken from the Spirit by 10% and deals 20000 Damage over Time every 1s The Spirit joins for a coordinated assault. Fire: 544 AoE damage and Knockdown Water: 653 damage and Slow Earth: 590 damage and Seal Wind: 489 AoE damage and Stun Ancient: 925 AoE damage and Knockdown 10 Stagger Gauge Damage
Text from the KR/TW client; Global numbers may differ.
Specialisations
5 slots| From level | Effect |
|---|---|
| 5 | +15% extra damage taken from Spirit during Corrode |
| 10 | -20% Combat Speed on hit for 10s |
| 15 | -70% Incoming Heal during Corrode |
| 20 | +10s Corrode effect duration |
Point cost
75 points in total| Skill level | Points | Character level |
|---|---|---|
| 1 | 1 | 22 |
| 2 | 1 | 22 |
| 3 | 1 | 22 |
| 4 | 1 | 22 |
| 5 | 1 | 22 |
| 6 | 2 | 22 |
| 7 | 2 | 22 |
| 8 | 2 | 22 |
| 9 | 2 | 22 |
| 10 | 2 | 22 |
| 11 | 4 | 22 |
| 12 | 4 | 22 |
| 13 | 4 | 22 |
| 14 | 4 | 22 |
| 15 | 4 | 22 |
| 16 | 8 | 22 |
| 17 | 8 | 22 |
| 18 | 8 | 22 |
| 19 | 8 | 22 |
| 20 | 8 | 22 |
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.