Minecraft Dungeons:Slowness

Speed Down is an effect $$ where it causes the player to get slowed down.

Obtaining
This effect can only be obtained if the player is struck with a projectile enchanted with Tempo Theft for four seconds.

Usage
When the player is under the effect of Speed Down, they are slowed down in speed.

Trivia

 * It is the only effect that has a "steal" effect.