One Piece 3-In-1 Volume 25 (73,74,75)

Luffy and his Straw Hat Crew have formed a new alliance in order to take down the tyrants of the sea, but Trafalgar Law, their brother in arms, is captured immediately by the devious and powerful Doflamingo. Marching with a magically miniaturized army, Luffy soldiers on in search of justice and treasure!