Femur of the Faithful

Wondrous item (rod), Rare (requires attunement by a warlock)

This dried and leather-wrapped femur once belonged to an acolyte of Thanatos who asked, in her death, to continue her fight against those that defile the sanctity of the grave.

Unrelenting Death

Your spell attacks and DCs increase by a +1 bonus.

Return to Grave

Spells cast through this femur deal an extra 3d6 damage against any creature that is undead.