User blog comment:Yordleportal/Essence Reaver theory/@comment-7709681-20140702000542/@comment-4022742-20140702122336

As of yet has no way of gaining mana back at all outside of regen. With his NCC + AH spam you can use to run out of mana in a single skirmish and not have anything to fall back on. With you can still auto attack without toggling the Muramana off and get mana back while dishing out the same damage.

When building tanky by purchasing, , , , , Health item: , , ,. You could then still pump out damage when you would previously be out of mana.