Spell Crystals

A spell crystal is a consumable magic item that allows spellcasters to spontaneously add metamagic to their spells at no further cost. Spell crystals are used as extra material components during the casting of a spell. One spell crystal per spell level is consumed when used.

Piercing spell crystal: Adds Piercing Spell to the spell. Piercing spell treats the target's Spell Resistance as 5 points lower. ~80gp

Elemental spell crystal: Adds Elemental Spell to the spell. Any of the four elements can be chosen at the time of casting. Elemental spell changes all instances of acid, cold, electricity, or fire to one of the other three damage types, or splits the damage between the original damage type and one of the other three. ~80gp