Dragonoid X Darkus, also know as Drago X Darkus, is the fusion of Pyrus Dragonoid and Darkus Tretorous. Fusion Guardian Bakugan of Dan Kouzo.
Dragonoid X Tretorous first appeared in First Fusion! Drago and Tretorous, where he battled and defeated Fangzor X Mantonoid.
- Midnight Fire
- Combustion Hold
- Bakufusion Fury
- Reaching Rampage