Augment Critical: Armaldo’s claws have a critical threat range of 19-20 and deal x3 damage on a critical hit. Their threat range increases to 17-20 at 12 hit dice. Damage Reduction (Ex): Armaldo has Damage Reduction equal to half its hit dice. Harden (Ex): If Armaldo takes a full defense action, its natural armor bonus improves by 4 points for three rounds. Multiple full defenses do not stack. Predatory (Ex): Armaldo remember their ancient prey who seem to have never evolved, being creations, and as such they gain a +8 racial bonus to track Vermin, as well as a +2 bonus to hit and damage them.