Darkness Blaster
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Directory: Techniques → Offensive techniques → Ki → Energy beam wave
Darkness Blaster (ダークネス ブラスター, Dākunesu Burasutā) is an energy beam wave attack used by Slugg in his Giant form.
History
Giant Slugg used this attack in his battle against Son Goku in Dragon Ball Z: Lord Slug. When Goku was looking for Giant Slugg, the Namekian suddenly stuck his head out of a building. Goku attempted to fire his Kamehameha, but Giant Slugg fired the Darkness Blaster before he could. The whole city was destroyed, but Goku survived.
