A free mod for Witcher 3, by sxseth.
A handy-dandy application that will let you edit the damage multiplier for your favorite spells in the game. It's a great mod for those who are sick of the same old combat mechanics and are looking for a way to make the battles more exciting.
The damage multiplier for the most popular spells in the game can be edited in a simple way by opening the witecher3.ini file and changing the value for the key IGNI_SPELL_POWER_MILT to the desired number. By editing the value for this key, the damage multiplier for your favorite spells will be modified.