D&D 5e Spell Conjuration

Grease

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.

Level
Level 1
Casting Time
Action
Range
60 feet
Target
Creature
Duration
1 minute
Saving Throw
Dexterity
Concentration
No
Components
V S M

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.