Hinder

Abjuration cantrip

Casting Time: 1 action

Range: 90 feet

Components: V, S

Duration: up to 1 round

Classes: sorcerer, warlock, wizard

You assault a Medium or smaller creature you can see within range with an invisible force. The creature must succeed on a Strength saving throw or have its movement speed halved until the end of its next turn.

At 5th level you can target creature of Large size, at 11th level you can target Huge size, and at 17th level you can target Gargantuan creatures.