This ruby is cut into a torus—beveled on top, flat below. It is meant to be attached to a suit of armor.

A rubicund frenzy drinks your blood when you are wounded, whipping you into a savage frenzy. This item functions only for living creatures.
As long as your current hit point total is no greater than half your full normal hit points, this augment crystal grants you a +1 morale bonus on weapon damage rolls and saves against fear.

Prerequisites: Craft Magic Arms and Armor, heroism.
Cost to Create: 250 gp, 20 XP, 1 day.