Hydaelyn

You attempt to craft an illusion in the mind of a creature you can see within range. The target makes an Intelligence saving throw. On a failed save, you create a phantasmal object, creature, or phenomenon that is no larger than a 10-foot cube and perceivable only to the target for the duration. The phantasm includes sound, temperature, and other stimuli. The target can take a Study action to examine the phantasm with an Intelligence (Investigation) check against your spell save DC. If the check succeeds, the target realizes the phantasm is an illusion, and the spell ends. While affected, the target treats the phantasm as real and rationalizes illogical outcomes from interacting with it. An affected target can even take damage from the illusion if it represents a dangerous creature or hazard, dealing 2d8 Psychic damage if within the phantasm's area or 5 feet of it. The target perceives the damage as a type appropriate to the illusion.