One Piece 515 I Will Be Stronger! Zoro's Vow to the Captain

One Piece 515 I Will Be Stronger! Zoro's Vow to the Captain!
 

One Piece 515 I Will Be Stronger! Zoro's Vow to the Captain! is the continuation of One Piece Anime Series.

Here is the summary
One Piece 515 I Will Be Stronger! Zoro's Vow to the Captain! From the last episode One Piece 514 Living through Hell! Sanji's Fight for His Manhood! 

The episode starts off with an island called Kenzan Island, home of the Thena Ghana Kingdom in the Grand Line. Brook tries to train himself so he can reach 45 degrees, but this fails. The skeleton decides to perform his new song, "Bone to be Wild", on a guitar.Meanwhile, under the East Blue's large bridge, the Revolutionaries learn of Robin's past with Crocodile as they depart to Baltigo. Despite Robin finally decides to improve herself by joining them. At the Bowin Islands, Usopp ask Heracules to train him and be his master. Heracules tells Usopp about the Pop Greens, which can be used as a weapon, before he begins to exercise again. On Karakuri Island, Mihawk declines Zoro's request to train him, but after realizing that Zoro defeated the Humandrills or the baboons, Mihawk finally decides to teach him. Zoro then proceeds to begin his training by fighting the strongest Humandrills. The Straw Hats discover Luffy's message: they will train hard before reuniting two years from now.
Here are some Snapshots from the episode of One Piece 515 I Will Be Stronger! Zoro's Vow to the Captain!
 Brook playing Born to be Wild
 
Robin with the revolutionaries on the way to Baltigo
 
 Usoff asking Hercules to be his master
Zoro asking Mihawk to train him
Zoro asking Mihawk to train him 

Zoro vs the strongest Humandrill the first day of training