Aftershock (2)

Build up earthly energies within until it erupts in a violent nova. After 4 seconds, deals Earth damage to nearby enemies. Applies Earthstruck to all enemies hit. Earthstruck
Reduces Damage Dealt by 2% per stack, up to 5 stacks.

Source

The current game data ties this spell to no class, and no drop, vendor or quest teaches it.

Applies status effect

Status effect
Aftershock

Data as of September 7, 2026 (rev cs:1263)