This crystal gives you a small amount of Experience. It's the choice if you don't need or don't want another powerup in your current lineup of powers. This crystal gives you the power of Fire. If thrown at the enemy, it will enclose them in a bubble of fire. This crystal gives you the power of Ice. If thrown at the enemy, it will enclose them in a bubble of ice. This crystal gives you the power of Wind. If thrown at the enemy, it will enclose them in a bubble of wind. This crystal gives you the power of Light. Usually dropped in the playfield when you use a Continue. I have yet to find one without being killed.