User blog comment:Supermrman911/Suggestions for Terraria 1.0.7/@comment-4186558-20110822221203

Idea for a boss: "The Necromancer". He would have 7000 health and 15 defense, but his only real attack would be if you bumped into him, he would deal 40 base damage to the player. During the fight, he would stand still and constantly summon undead monsters (Angry bones, Zombie, Cursed Skull, etc.) to attack you, and each time you killed one of the monsters, it would deal 200 damage to him. When his health reaches 100, he would become invincible, and he would summon a smaller, weaker version of Skeletron. After you killed that, he would take 99 damage, and wouldn't be able to do anything, having run out of mana. Then, the player could end the fight by attacking him with any weapon. To fight him, you would need a boss summoning item with a 25% spawn rate in dungeon chests.