Omnitrix II (Hero Time)

The Omnitrix II is a device that Ben Tennyson used as twelve years old.

Unlocked Aliens
Articguana Brainstorm Benwolf Benmummy Cannonbolt Ditto Diamondhead Eye Guy Echo Echo Four Arms Ghostfreak Goop Heatblast

Locked Aliens
Alien X Bullfrag Big Chill ChamAlien Clockwork Chromastone