Garren's second guardian bakugan.
A two headed reptile bakugan with eight tails, two arms, and two legs. He has a dark brown body. His body is thick in color and size.
- Bronzite Change- Douptile's body turns into Bronzite
- Bronzite Encase- The bronzite barrier covers the opponent with a hole left above the opponent's head
- Bronzite Aegis- A bronzite barrier comes from the ground to protect Duoptile
- Keyin' Tailbone- Duoptile's eight tails come together with bronzite as he smashes his tail through the only opening in the bronzite trap