Dovar's Disturbing Diversion (5e Spell)
From D&D Wiki
|Casting time:||1 action|
|Duration:||Concentration, up to 3 minutes|
The user concentrates to create a disturbing illusion of a monster of their choice. Each creature within line of sight of where the creature is placed by the user and within 60 feet of the user must make a wisdom saving throw or be convinced that the monster is a real appearance. Once an attack is made against this illusion, it instantly disappears.
At Higher Levels. When casting this spell at level 3 or higher, each level after 2 adds +1 to your normal spell save DC for this single spell.