"Stop it, neither of you would be able to kill the other." Arad pulled the two apart, looked at them for a moment, then had to explain exactly why they won't win. While Sally looked happy to get some personal space, Merida looked really sad to have gotten away from him.
"You both boast an incredible physical strength, speed, durability, and regeneration. On top of that, each of you is bound to something, so they won't die." Arad pointed at Merida, "You got Kino, and as long as she is alive in your layer, you'll never die here."
He then pointed at Sally, "And you're bound to your layer, as long as it's not burned to the ground and the rot there still thrives, you'll never die." He smiled, "So fighting here is meaningless. It is why I sent her here without fearing that you might just kill her."
