Board Thread:Roleplay/@comment-36289716-20190310065358/@comment-27661770-20190313175210

"The long and short of it is, Heartless are demons of sorts. They're at least half of what happens when someone steals a heart, I remember. They came about because of jealously, and they're evil incarnate. Takes a Keyblade to put one down for good, anything else will either be ineffective or be wiped away next time it spawns. If I renmember right they're what happens when people are claimed by the darkness, which is why heart theft results in them."