COPY_OF_Misamourae Comode's Hat Trick

Foreseeing the enemies coming her way Misamourae spins three times causing her hats purple liquid to pour out over a 15-foot circle causing it to become difficult terrain and each creature that either runs out of movement or fails a dexterity saving throw equal to your spellcasting modifier or -slip and be knocked prone this counts for all creatures besides Misamourae

The range increases by 5ft for each spell slot above 1st level