>>534936870
Heathcliff is the only guy who actually developed and showed progression leading up to his story. I suppose Yi Sang too, kind of, since he was super depressed, and tried to make friends with the SEA event and flirted with Faust a little
Ishmael, Rodion, Sinclair and Gregor have in the worst in terms of character development. Don might too, but at the very least, they are touching on the fact that she's a bloodfiend every now and then