Lock-On Buster
Lock On Buster 01 Lock On Buster 02
Alternate names Rokku On Basutā
Homing Destructive Ray
Debut Dragon Ball Z: The Return of Cooler
Inventor Meta-Cooler
Users Meta-Cooler
Standard Hero (Ultimate Tenkaichi)
Class Energy Wave
Similar techniques Darkness Eye Beam
Eye Laser

Lock-On Buster (ロックオンバスター) is a cybernetic-enhanced version of the Darkness Eye Beam used by the Meta-Coolers. First, the Meta-Cooler uses his 3D Scan Mode to locate his target and lock-on them, then creates a small amount of sparkling energy in front his face. Then, he shouts "I got you!" and fires a fast-moving beam that leaves behind a sparkling trail and creates a huge blinding explosion upon impact.

Lock On Buster

Lock-On Buster's explosion

The first Meta-Cooler encountered used this attack during his battle against Super Saiyans Goku and Vegeta in the movie, Dragon Ball Z: The Return of Cooler. After avoiding Vegeta's Big Bang Attack using his Instant Transmission, Meta-Cooler appeared and kneed Vegeta in the stomach, surprising and temporarily knocking out the Saiyan prince. Using his cybernetic modifications to locate Goku, Meta-Cooler punched Vegeta towards Goku and fired the Lock-On Buster at Goku and Vegeta, leaving them moderately injured.

Lock-On Buster was named in the Budokai Tenkaichi series and is one of Meta-Cooler's Blast 2 attacks. In Dragon Ball: Raging Blast 2, the Lock-On Buster is a Rush Attack. Though Meta-Cooler is not playable in the game (appearing only in his giant Meta-Cooler form as one story Mode giant bosses), his Lock-On Buster technique does and is one of the Standard Hero's learn-able Super attacks. Despite the hero's apparent lack of any cybernetics, the Hero will view their opponent in 3D Scan Mode briefly, making the attack seem somewhat implausible, unless the Hero has a scouter equipped (thus making it's use seem all the more plausible).


  • Given the size of the explosion it left in its wake, the Lock-On Buster could be among the most powerful Eye Beam techniques to appear in the series.

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