They're supposed to represent powerful individuals who have died, though it doesn't seem quite right to think of them as undead to me. More like you are channeling their spirits through your body.
Lots of people. Small Gods if you've ever read the Pratchett book. You're making a small pact with dozens of different entities for some of their power rather than a big one with a single patron.What is the vestige pact I've been reading about it, but i can't figure it out at all. Who are we making the pact with?
The vestige pact is based on the 3e binder. The basic idea is, vestiges are the remnants of powerful entities that have been annihilated- but a tiny vestige remains.
Lots of people. Small Gods if you've ever read the Pratchett book. You're making a small pact with dozens of different entities for some of their power rather than a big one with a single patron.