Breakdown

Peering into the very soul of your victims, you infiltrate their mind and attempt to break them from the inside out.

Choose a number of creatures equal to your intelligence modifier that you can see in range. Each creature must make a constitution saving throw. On a failed save, each time the creature takes an action, bonus action, or willingly moves before the spell ends, it takes Psychic damage equal to your spell attack modifier (minimum of 1). If the creature can make more than one attack per action, it takes the damage each time it attacks. In addition, a creatures movement is halved.