Grease

Source: Player's Handbook (2024)

1st Level Conjuration (Artificer, Sorcerer, Wizard)

Casting Time: Action Range: 60 feet Components: V, S, M (Bit of pork rind or Butter) Duration: 1 minute

Nonflammable grease covers the ground in a 10-foot square centered on a point within range and turns it into Difficult Terrain for the duration. When the grease appears, each creature standing in its area must succeed on a Dexterity saving throw or have the Prone condition. A creature that enters the area or ends its turn there must also succeed on that save or fall Prone.