Template Stacking

Here are the rules for one character having multiple templates:

Major Templates
No character with a major template can ever have any other template, major or minor, at the same time with the sole exception of hunters.

Minor Templates
All minor templates can stack with each other and the hunter major template, although you may only have 1 limited template and 1 immortal template at a time.

Limited Templates
Ghoul
Beholden
Sworn
Proximus
Possessed
Wolf-Blooded

Immortal Templates
Purified
Blood Bather
Body Thief
Visitor
Eternal
Patchwork Person
Harvester

Unlimited Templates
Skin-Changer
Psychic
Thaumaturge
Slasher

Template Stacking

Brightest Shadows Retrokinesis