For ages, One Piece fans have wondered how powerful Monkey D. Garp is. Thankfully, the wait is over as the latest episode of the One Piece anime finally raised the curtain on this mystery. Monkey D. Garp traveled to Hachinosu to free his protg from the clutches of the Blackbeard Pirates. Koby had been kidnapped by the Yonko because he wanted to use him as a bargaining chip.