Necrotic Burst trait

Effects

 * This weapon deals an additional 1d6 negative damage on hit. In addition to the extra damage, a necrotic burst weapon deals an extra 1d10 points of negative energy damage on a successful critical hit. If the weapon's critical multiplier is x3, add an extra 2d10 points of negative energy damage instead, and if the multiplier is x4, add an extra 3d10 points of negative energy damage.