Cooldown
Cast delay
XP-Multi
Combo
Unlock
XP & Leveling
XP per cast
84
First cast bonus
+200
284 total
Casts per level
12
≈ 1 000 XP/level
Casts needed to reach school unlock levels
| Level | Total XP | Casts |
|---|---|---|
| Level 1 | 0 XP | 0 casts |
| Level 4 | 3,000 XP | 36 casts |
| Level 12 | 11,000 XP | 131 casts |
| Level 20 | 19,000 XP | 227 casts |
| Level 35 | 34,000 XP | 405 casts |
How it playsCorrosion at scale. Contagion hits every enemy in a wide zone at once and applies the Contagious status, which turns each affected target into a small bomb when they die. Against dense waves, the chain of death explosions does more work than the initial spell.
StrategyCast it into the middle of a pack and let the Contagious debuff multiply your damage. Clean up the weakened enemies fast to trigger as many explosions as possible before the debuff expires. Surcharge or Fireball into a Contagion-marked group is one of the more efficient burst windows in the game.
Strengths
- Wide zone means it reliably hits multiple enemies per cast
- Contagious death explosions scale with group size
- Excellent synergy with burst spells from other schools
Weaknesses
- Long cooldown requires careful timing
- Death explosions require actually killing the debuffed targets
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