Bubbles

A bubble forms around a creature you can see in range, targets must make a dexterity save to avoid this bubble. if caught, targets are under the restrained condition and must make strengthh saving throws each turn to do so or is restrained until concentration is broken by the caster. for an additional spell slot you can make this bubble deal 2d6 acid damage a turn. after 1 minute the bubble pops. when cast at 6th level or above the caster can control the movements of the bubble slightly, even though it has a moving speed of 10ft (it does float 5ft above the ground. if an attempt is made to pierce the bubble by force, the caster must make a constitution saving throw.