From Twilight Heroes Wiki
Armadillo Armor increases your natural defensive ability.
Increased damage absorption
Cost: 8 PP
Your skin toughens until it's as tough as an armadillo's. (Added for X minutes.)
- Damage absorption is increased by 2 + S + round(level/6), where S is the number of skill points invested.
- X is 30 + 3*S.
- Prior to the introduction of skill points, damage absorption was increased by 2+ floor(level/4). X was 45.