Dire Hazard

Prerequisite(s): Diehard, Endurance
Benefit(s): While your missing hitpoint total is greater than 80, the DC of any spell that you cast is increased by +4.
This bonus is increased from +4 to +6 while your missing hitpoint total is greater than 120.
This bonus is increased from +4 to +8 while your missing hitpoint total is greater than 160.
This bonus is increased from +4 to +10 while your missing hitpoint total is greater than 200.