Publication:Dread Codex/New Spells/Necrocone

Necrocone drains negative energy in a cone-shaped area that extends outward from your hand, inflicting 1d6 points of damage per caster level against all corporeal and incorporeal undead (maximum 20d6). This area is also partially drained of heat, inflicting 1d6 points of cold damage per 2 caster levels against living creatures.