Board Thread:New on Terraria Wiki/@comment-25753700-20141124015202/@comment-27179456-20151203013320

The Crusader of Truth wrote: On console there is a glitch to help. All you have to do is respawn fast enough and you should continue to fight him without any issues. That works for me anyway.

Sorry for the dead thread necromany, I thought this would help someone in the long run. This trick does work, I tried it. You can put the arens more than 200 blocks away and it still works. Just make sure you set your spawn AT the arena, or else your NPCs will get killed, like I experienced.