fighter and paladin instances give 20%
assimar 10%
Strength of Vitality: Passive Bonus: 20%(tank destiny)
Note sure if need a other extra 25~50%
even being exclusive with fighter and paladin instances (hp only) will still give a bonus to tanks(5~25%).
Or simply tanks can pick up the other stance options like: Hardy Defense, Sacred Defence, and still have all the benefit of Epic Defensive Fighting