Watcher

The Surveillance Robot (サーヴィランス), also translated as "Watcher" in Kingdom Hearts 358/2 Days, is an Emblem Heartless that is found in Kingdom Hearts II and Kingdom Hearts 358/2 Days. It is featured in the Battle of 1000 Heartless.

Kingdom Hearts 358/2 Days
These small flying drone Heartless fire lasers that can be returned with a block, but they will respond with an even stronger power laser.

TIP: Space-based attacks like this power laser can shoe-glue you, robbing you of the ability to jump.

Kingdom Hearts II
Use reaction Commands Snag, then Sparkle Ray to attack surrounding enemies with a laser!

Keep an eye out for opportunities to use reaction commands even if the laser attack is parried!

Kingdom Hearts II

 * Hollow Bastion
 * Port Royal
 * Space Paranoids

Kingdom Hearts: 358/2 Days

 * Twilight Town

Attacks

 * Twin Laser: Fires two white lasers
 * Mow Down: Spinning saucer ring attack
 * Charge Laser: Fires multiple red lasers

Trivia

 * The boulder which hit Goofy while trying to protect King Mickey was dislodged by a Surveillance Robot.