The Blos Doppelganger are Dual Sword type weapons.
Monster Hunter Freedom Unite
|Upgraded From||>>||Blos Doppelganger||>>||Upgraded Into|
|Dual Diablo+||Grand Blos|
|MHF2 and MHFU: Sword and Shield / Dual Sword Tree|
- A decent DS made of White Monoblos and Black Diablos parts. Awful sharpness, but great raw. It can be upgraded further.