Breath of Vice

You inhale, the cracks in your skin and your hair grow brighter as a plume of smoke makes its way out. Affecting all creatures in a 10ft line the breath of Vice seeks to disorient and inhibit advanced actions.

On a failed save, the creature's Intelligence score become 1. The creature has trouble understanding language, or communicating in any intelligible way. The creature can, however, identify its friends, follow them, and even protect them. 

The creature's movement is also halved and they have disadvantage on all saving throws (Exhaustion level 3). The spell's effects last for one full hour and can only be dispelled with magic, the spell also lingers for one round after casting - affecting any addition creatures that enter the area.