Grease
1st-level conjuration
Casting Time:1 action
Range:60 feet
Components:V, S, M (a bit of pork rind or butter)
Duration:1 minute
Slick 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 fall prone. A creature that enters the area or ends its turn there must also succeed on a Dexterity saving throw or fall prone.