Board Thread:Manga/@comment-24930713-20151109044731/@comment-26932251-20151110002513

I think Levi was trusted with the serum specifically so that someone wouldn't make a decision with such inadvertent and unfortunate consequences.

I kind of hope an enemy titan shifter is captured, Erwin gets the serum, eats the shifter. Now he's a shifter AND HE HAS HIS ARM BACK!