Chapter 105 

Roxanne went on to explain that when a god was killed that the being that killed the god would have the first opportunity to absorb the domain and add it to their own domain. If they choose not to do this, though, for whatever reason, then there are several different options of what could happen.

The first and most common thing that can happen if the being that killed the god did not absorb the other god's domain is that the domain does to the next non-god being that had the closest principles to the god that died.