It has two immense pincers that have spikes inside. Six barbs surround its hard shell to protect its body. Its four legs give Stug great maneuverability to avoid attacks. Stugs perished long ago and was resurrected by the Vexos Mylene as an energy body.
A Darkus Stug was seen at the ending of Bakugan: New Vestroia.
Its Aquos Version has 650 Gs. The Haos BakuSolar version has 580 Gs. The Subterra Version has 660 Gs. The BakuCore Subterra version has 760 Gs or 800 G. The BakuSteel Subterra version has 800 Gs. The BakuSteel Darkus version has 600 G.