3d4 x Vigor Modifier. Then add HP bonus. Short Rest =Vigor Mod x15. Long Rest Vigor Mod + Primary mod x20.
HP Bonus| Natural AR Bonus
LV 1 10 |+1
LV 2 10 |+1
LV 3 5 |+1
LV 4 5 |+1
LV 5 d6 |+1
vl 6 |+1
lv 7 |+1
lv 8 |+1
lv 9 |+1
LV 10 d6 |+1
Lv 15 d6
LV 20 d6
LV 25 d6
LV 30 d6