When the altar appeared, there was nothing that the creatures surrounding it could do. And almost immediately, they felt their lifeforces leave them, drifting towards the altar.
There were too many creatures, and so many lifeforces went towards the altar. They gathered up around the bust atop it.
Han Sen's true self had acknowledged the summons while he was in the Fourth God's Sanctuary. He had already received news that the spirits had rebelled and were attacking the human shelters. So, now all he did was wait.
He did not know if his blood was enough for him to be summoned, however. If he couldn't be summoned back, then his mother and the humans of the Third God's Sanctuary would be left to their own devices.
Han Sen was starting to worry. He felt his body begin to burn. A strange sort of power was beginning to enter his body and swirl throughout.