How does it works?
A: Removing a hero's inate 25% magic resistance, leaving them with 0% magic reduction.
B: Amplifying the spell damage by 25%, i.e. 100 damage spell now does 125 damage, then it is reduced by the hero's magic resistance.
C: Reducing the current hero's magic resistance by 25%. Example: Heroes using Hood/Pipe or heroes with skills that gives magic resistance.
D: None of the above