Arya's hands broke due to the impact that all his attacks caused. Too much power was being used and Arya's immature body couldn't handle the strain, so his bones snapped with every hit he gave. However, the hands quickly healed themselves and Arya used the darkness around him to cover his body completely, reappearing on the ground shortly after without so much as causing a single speck of dust to fly into the air.
Arya walked towards the monster slowly, as if he had all the time in the world. Arya manipulated the darkness around the beast, picking it off the ground.
The scene looked weird. A small human the size of a child, looking up at a 2.1m beast condescendingly.
The beast began to feel fear. It had felt the sudden change in Arya's presence but it only just realized that whatever Arya was, he wasn't human anymore.
"Who sent you here?" asked the deep voice that came from Arya's mouth.
The beast looked at the human in fear as it didn't understand what it was saying.