Heavy spoilers!!!Read if u really want to know what happens.
The arbiter will keep following him, because he finds him suspicious.
In the end all the base will be infiltrated by monsters so they will leave.
An ze finds his spore and takes it with him.
They will arrive in a place where humans and half human live peacefully, but smtg catastrophic happens with the world, so An ze is the only one that needs to sacrifice his life to save humanity.
The spore isn't his child, it's a copy of himself. So after an ze dies, the spore will become An ze..the arbiter will be there with him, to help him..that what I remember from the novel.
Can novel reader spoil me pls?