Acid Assault

This crystal seems to contain an incandescent green fluid.

This crystal adds 1 point of acid damage to the weapon’s damage.

Cold Assault

Covered in a faint layer of condensation, this clear crystal radiates chilling waves of energy.

This crystal adds 1 point of cold damage to the weapon’s damage.

Electricity Assault

A brilliant blue color, this crystal sparks and snaps with electrical discharge.

This crystal adds 1 point of electricity damage to the weapon’s damage.

Fire Assault

This fiery red crystal appears to burn with a heatless flame.

This crystal adds 1 point of fire damage to the weapon’s damage.

A crystal of energy assault adds a particular type of energy damage to a weapon’s attacks: acid, cold, electricity, or fire. This bonus damage doesn’t stack with any energy damage of the same type dealt by the weapon.

Prerequisites: Craft Magic Arms and Armor; Melf’s acid arrow, ray of frost, lightning bolt, or fireball; or energy bolt (EPH 100).
Cost to Create: 300 gp, 24 XP, 1 day.