Gather your hatred about you, and master it, my brothers. It is the strength behind your shield, the speed of your blade. Do not abandon it, for without it, you are empty indeed.
The Unyielding Rage
A tiny ampoule of steel and old, clotted blood, hung from a black iron chain, the Amulet of Dark Valor holds the drive of the furies.
Herbalist in the group mistakes one plant for another and mistakenly poisons the group. Not to death, but pretty darn ill with recurring symptoms until the cause and cure are realized. (Local people may be able to help rather easily. "You ate Dragon's Rot you fool, looks and smells just like mint except it has these small thistles on the root. Only grow in the Hornwood Forest, that must be where ya got them. Eat this and you will feel better in 4 hours."