User blog comment:UnboundIsaac/Oh No!/@comment-25577915-20150505020413/@comment-25577915-20150505020900

However, the real Oh No was when I decided to fight all three hardmode bosses at once by myself. Well that was a bad idea: I got rekt hard, and 2 of the 3 bosses despawned. Not Destroyer though. He killed too many NPC's. I was really in a fitz of rage because of that.

And that is the story: never try to be HERO, and never ever be near your base when you just may die.