User blog comment:AtheistUntoDeath/Which of these champions would win? part 7/@comment-4652200-20140616175657/@comment-5824171-20140616183650

"Aside from the champions, the only otheir beings present may be pets that the champion directly controls (such as Tibbers or Voidlings). Help from sentient allies (such as Gangplanks Cannon Barrage) are forbidden."

'Tis written, good sir. It's in the standard rules. Braum doesn't directly control the poros so they're not in the arena.