Good quiz, but I have a few things to say. It's Nebula Pillar, there's no R on the end. Several Bosses aren't here and they are: Betsy, Mourning Wood, Everscream, Santa-NK1, Queen Slime, Empress of Light, Ocram, Lepus and Turkor the ungrateful. Also, Cthulu is spelt with a H (Cthulhu). Finally, King Slime should be accepted for slime king, Prime for sleketron prime, Fishron for duke fishron, Cultist for the lunatic cultist, WOF for wall of flesh and EOW for the eater of worlds (at a stretch you could also put in eye for eye of cthulhu and brain for the brain of cthulhu).