When equipped with Evil Spell:

Increases damage of Impact Crater by 30%.
Increases critical damage by 20%.
Increases physical damage against enemies of every element by 20%.
ASPD +5% (Decreases after attack delay by 5%).

[iRO Description]
Set Bonus:
Evil Spell
Evil Vigor (Shadow Cross)

increases Impact Crater damage by 30%,
increases critical damage by 20%,
increases physical damage against all property enemies by 20%,
ASPD +5%.