Grey blocked the switched places with one of the Barbarians.
The Barbarian he switched places with didn't expect the Tribe Leader's attack and was struck by the attack. This Barbarian was only in the Early stages of the Venerable Plane, there was no way he could withstand the attack of a Pseudo-Sovereign.
The Barbarian was killed by the attack.
When the Barbarian Tribe Leader saw what Grey did, he was incensed. Grey used his own attack to kill one of his people, this was even more hateful than what Grey did while he was chasing him.
His hatred toward Grey had grown stronger than what he has ever felt. He wanted Grey dead at all costs.
"My brethrens, we must kill them. Forget the price we have to pay, they must die!" The Barbarian Tribe Leader exclaimed.
He didn't go after Grey anymore, rather he stood on the same place in the sky as he looked at his fallen tribesmen.