Yes

Cedorick is polite but not easy to befriend. He is going Through It and the only reason he hasnt stabbed a person yet is because he has manners ingrained in him that he uses as a script to get through day to day interactions.

Having a voidsent that has survived since the 13th fell and managed to exist on the Source since Allag opened the first gate to the void, that's a wealth of knowledge on old esoterica Mikah can access. Has definitely made Mikah's research into souls easy.