There are to many possibilities and to many poeple would dislike on of them ranks...
Custom ranks will create chaos if It's succeeds set ranks.
Anyway, If you are a dragon, you stay dragon.
as for undead top ranking
zombie
ghoul
skeleton
ghost
vampire
overlord
but don't make it to complicated, this requires programming the software standards I suspect, let the Larians work on what's important: Riftrunner
