Talk:The Return of Harmony Part 1/@comment-37447652-20191122152140/@comment-37447652-20191123034514

In the mlp comic issue 77, (never mind Cosmos) it reveals that the ponies hated Discord because with his powers they believed he was a threat to them. Their hatred had broken him. That looks like a good backstory for him and it explains his reason for taking over Equestria.