Grease

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.

Effect

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.

https://www.dndbeyond.com/spells/grease,  Basic Rules, pg. 246

Material Components

V, S M - (a bit of pork rind or butter)

Related Discipline

Artificer, Wizard

Related School

Conjuration

Effect Duration

1 Minute

Effect Casting Time

1 Action

Range

60 ft (10 ft square)

Level

First