Talk:Humans/@comment-122.150.72.205-20150927152825/@comment-129.143.71.38-20151022071709

" Also remember that monster souls disappear after death, so humans cannot absorb them."

Except if the monster in question has a very powerful soul, like Asgore for example, which is explained in the game and how you would've gotten through the barrier in the first place since it needs a human AND a monster soul to pass it.