The Grand Blos are Dual Sword type weapons.
Appearences
Monster Hunter Freedom Unite
 Grand Blos / (?) (MHFU)
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Attack | 434 | Buying Cost | Upgrade Cost | ||
| Attribute | None | N/A | 115,000z | |||
| 2nd Attribute | None | Buying Materials | Upgrade Materials | |||
| Affinity | -5% | N/A | StoutBlkTwistedHorn (2) TopGrdPlatHorn (2) HvyBlkBlosShell (4), Big Wyvern Stone (1) | |||
| Sharpness |       
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| Slots | OO- | |||||
| Bonus | Defense +15 | |||||
| Rarity | 10 | |||||
| Description | Legendary unforgiving twin clubs that harness the evil of Monoblos and Diablos. | |||||
| Family Tree: | ||||
| Upgraded From | >> | Grand Blos
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>> | Upgraded Into |
| Blos Doppelganger | None | |||
| MHF2 and MHFU: Sword and Shield / Dual Sword Tree | ||||
Remarks
- Impressive G-Lvl Dual Swords. Although they have high Raw power, they lack any Elemental power.
- The Grand Blos have a rather negligible -5% affinity. This can be fixed with Reckless Abandon for positive affinity. With even Reckless Abandon +1, these Dual Swords are easily the most powerful raw Duals in the game, as long as their sharpness can be kept up.