5×EM/(1200+EM). Additive to base DMG bracket (scales with crit/hurt bonus).| Reaction | Trigger | Effect |
|---|---|---|
| Quicken | Dendro or Electro hits target carrying the other element | Applies Quicken Aura (purple), no direct DMG, lasts ~4 s |
| Aggravate | Electro DMG hits a Quicken-affected target | Adds 1.15× Level Multiplier to base DMG (L90 zero-EM = 1664) |
| Spread | Dendro DMG hits a Quicken-affected target | Adds 1.25× Level Multiplier to base DMG (L90 zero-EM = 1809) |
Aggravate/Spread are additive reactions — the bonus is added to the base DMG bracket, not a separate multiplier:
Final DMG = (ATK × Skill Multiplier + Catalyze Bonus) × (1 + DMG Bonus) × (1 + Crit DMG) × Resistance × DEF Reduction
Where: Catalyze Bonus = Level Base × Reaction Multiplier × [1 + (5×EM)/(EM+1200)]
| Level | Level Base | Aggravate (0 EM) | Spread (0 EM) |
| 80 | 1344 | 1546 | 1680 |
| 90 | 1447 | 1664 | 1809 |
EM has steep diminishing returns: 300 EM = +16.7%, 400 EM = +19.4%, 500 EM = +20.8%. 300 EM is the sweet spot.
Aggravate and Spread consume only the incoming elemental application, not the Quicken Aura. With fast enough application, Quicken can persist 8–10+ seconds on a target, allowing repeated triggers.
| Set | 4pc Bonus | Best For |
| Thundering Fury | +20% Aggravate DMG | Fischl, Keqing (Electro carries) |
| Deep Tangle (4pc) | +40% DMG vs Quicken/Electro-Charged/Bloom targets | Alhaitham, Tighnari (Dendro carries) |
| Honor of King 4pc | Team DMG +20% for 40 s after E | Wriothesley / Bennett support slots |
Fischl (Aggravate main) + Nahida (Dendro appl. + EM convert) + Xingqiu/Kazuha + Zhongli/Kokomi
Alhaitham (Spread main) + Fischl/Yae (Electro appl.) + Kazuha + Kokomi/Zhongli
Aggravate is triggered by Electro DMG on a Quicken target (+1.15×). Spread is triggered by Dendro DMG on a Quicken target (+1.25×). Spread has a higher base multiplier but fewer strong Dendro carries.
Yes. The formula is 5×EM/(1200+EM). At 300 EM you get +16.7%, at 400 EM +19.4%. Diminishing returns are steep — 300 EM is usually the cap.
Base duration is ~4 s, refreshed by new Dendro/Electro applications. Because Aggravate/Spread do not consume it, a fast-application team can keep Quicken up for 8–10+ seconds.
Yes. The flat bonus enters the base DMG bracket, so Kazuha's shred or Zhongli's C6 shred applies to the full value.
Yes. Since the bonus is added to the base bracket before crit is rolled, a critical hit still multiplies the full (base + Catalyze bonus) by 1 + Crit DMG.
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