Originally Posted by tech-ladan
from that guide as mentioned above mana break is physical so it can be blocked by armor or vang.
That is a little misleading as mana break damage is added to AM's actual attack, so damage block can only work once on his combined attack + mana burn, not once on his attack and once on his mana burn as some might think. But armor is a fantastic way to prevent the damage. Even better? Evasion.