POW-Down

POW-Down is a status ailment that has appeared in three games. It stands for "Power-Down".

Mario & Luigi: Superstar Saga
Some enemies have the ability to change the Mario Bros' stats. If their attack power goes down, they won't be able to do as much damage with their attacks. The ailment is indicated by a red burst with an arrow pointing down.

Luigi's Thunder Bros. attack can give this status to enemies.

Mario & Luigi: Partners in Time
POW-Down is the same status ailment in this game. It is indicated by a shrinking red circle around the afflicted. Ice Flowers can randomly inflict this status ailment on enemies.

Mario & Luigi: Bowser's Inside Story
Red streaks flowing downward indicate the affected.

Paper Mario
Mario can give enemies this ailment by using Shrink Stomp. Also, Mario can receive this ailment from Hammer Bros.

Paper Mario: The Thousand Year Door
Once again, Mario can give enemies the Tiny ailment by using Shrink Stomp. Yoshi can also do this by using Mini-Egg, and the item Mini Mr. Mini can shrink enemies as well.