Witherbrand

Witherbrand is a +4 Longsword. It has a dulled steel blade and hilt,the pommel knob is a silver skull with obsidian chips for eye. It glows equal to a Light spell when drawn. On a natural 16 or better, the target has a -4 to hit penalty for 16 rounds. Repeat strikes do not add to the penalty, but the duration is based on the last strike.