Children of the Night

As an action, you may magically call 1d4 swarms of bats or rats, provided the sun isn't up. While outdoors, you can call 1d6 wolves instead. The called creatures arrive in 1d4 rounds, acting as your allies and obeying your spoken commands. The beasts remain for 1 hour, and can be dismissed as a bonus action. You may not call on more than one swarm at any time.

Level 10 - The amount of swarms of bats or rats you can summon becomes 2d4 and the amount of wolves you can summon becomes 3d6. The creatures instead arrive at the start of your next turn.