Pure Control

Summon 3 projectiles and choose the damage type for each projectile that will levitate and follow in your space for the duration of the spell. Each projectile's damage type can be the same or different. At the start of your turn, you can fire one of the projectiles as a free action at a creature within range. Dealing 1d4 damage of the chosen damage type.

This spell summons one additional projectile at 5th, 10th, 15th, and 20th level.