If you're jungling with him, I guess this would work. If you're laning with him though, then this item is a no-no.
My only question now is if Muramana uses the 4% of the mana it took and doubles THAT amount of mana and turns it into dmg or if it doubles the dmg of the ability.
It's still good if it were 4% of the mana I guess. At 2000 mana it would be taking 80 mana and making it do 160 extra damage.
Nevermind that sucks.
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