Because there are times in battle when you look at your wartorn little half-dead minion and think to yourself "Self, you sure could use a bigger... BADDER minion!". So you cast this and hope it works out okay, sometimes it does, sometimes it doesn'tAvailable to a many but learnable as a reusable skill to only a favored few.Like all marketing, though, we have to showcase one of the best case scenarios (haha)