User blog comment:Nearthel/Kranan, the Mana Tank/@comment-25848405-20150926160843/@comment-7709681-20150926170804

And this kind of kits is why an Anti-Caster ala DotA's Magina does not and must not work: Not only is opressive to drain the opponent's resource, but also since Mana isn't the only resource in LoL, the core mechanic is suboptimal.