Echofinder (ちょうおんぱ Chou Onpa?, Ultrasonic Waves) is a special attack used by certain enemies and bosses in the game, Super Mario RPG: Legend of the Seven Stars.
Description[]
Echofinder is a neutral attack that can affect the player's status. When the enemy uses Echofinder, a bunch of yellow/orange circles form around the targeted player. It can stop the selected character from using special attacks for a while and even inflicts damage. However, the player can negate Echofinder with armor like the Lazy Shell.