Shanks is actually a deep undercover government agent. When he had the fruit, he was taking it back to the government before Luffy ate it. He didn't kill Luffy immediately because he liked him or some other anime reason, but at the end of the anime he gets betrayed.
Shanks saves Luffy at the cost of his left arm. Shanks cares very much for Luffy's well-being.
Given the connection between Shanks and Luffy, there's no hatred between the two crews.
Shanks has been depicted as a good guy for most of the series. He saved and inspired Luffy after all. However, there are theories that Shanks will be a final villian. Also, he might not be a bad guy but he is after the one piece, so luffy will have to surpass or fight him (although I can't see them fighting).
However, the fact that they are both pirates aiming for the One Piece means that they are on opposing ends. Shanks and Luffy may be very close to each other but that does not mean that they are not enemies. At some point, Luffy and Shanks will have to clash with each other.
Shanks is actually a deep undercover government agent. When he had the fruit, he was taking it back to the government before Luffy ate it. He didn't kill Luffy immediately because he liked him or some other anime reason, but at the end of the anime he gets betrayed.
Imu is the overarching antagonist of the anime and manga franchise One Piece. Imu is a mysterious individual who secretly occupies the Empty Throne and rules the World Government from the shadows, with the Five Elders being the public face of the organization.
Whitebeard ate the Gura Gura no Mi, which gave him the power to destroy the world. The devil fruit allowed Whitebeard to create quakes. At Marineford, viewers finally got to see what Whitebeard was capable of doing — making it pretty clear that Shanks won't be able to beat Whitebeard in a fight.
Law absolutely respects Luffy as an ally and this seems to increase further after seeing Luffy defeat Doflamingo. While Law still doesn't like Luffy's methods, he's shown to start working around Luffy instead of against him which is a clear sign that he acknowledges the Straw Hat Captain.
How does Shanks lose his arm in One Piece? In Episode Four, due to a minor scuffle, Luffy is thrown into the water by some pirates and finds himself near the jaws of a vicious Sea King. Just as he is about to be eaten by the Sea King, Shanks comes and saves him, only to end up losing his own arm.
Shanks, in truth, is not a member of the family of D, an important piece of lore every One Piece fan should know. However, he has the same cheerful attitude and adventurous desire that many who have the Will of D possess.
During this arc, Luffy and a hypnotized Zoro end up fighting, resulting in an X scar across Luffy's chest when he was wounded by Zoro.
Roger ended up raising Shanks on his own ship like his own son. It can be assumed that Shanks is the son of none other than Saint Garling Figarland This also makes sense, given the fact that Garling Figarland doesn't appear to be all that old.
The overarching antagonist groups of the saga are the Beasts Pirates and the Big Mom Pirates. Wano Country Arc: Kaidou and the Beasts Pirates, Kurozumi Orochi and his forces, Big Mom and the Big Mom Pirates. CP0 and briefly, Marine Admiral Ryokugyu as secondary antagonists.
Given the general trajectory of most shonen anime, it's fairly clear that Monkey D. Luffy will be the strongest character in One Piece by the end of the series.
Conis and the rest of Skypiea witnessed Luffy completely destabilize Enel's attack. She then witnessed Luffy finally defeat Enel by punching the god straight into the golden bell.
It is evident that the only person capable of surpassing Roger is Luffy. Even though Luffy still has a lot to achieve, he is the only person who can transform the entire world.
Shanks is probably way above Zoro`s level. Of all the characters still alive in One Piece, Dracule Mihawk is undoubtedly the strongest swordsman in the world. After all, he holds the title. Vista was the commander of the fifth division of Whitebeard`s Pirates and was considered the best swordsman in Whitebeard`s crew.
One of the biggest rivalries in the series that comes up time and time again is that of Dracule Mihawk and Shanks. There is not a great deal of information available about their past, but according to Whitebeard, the fights between the two swordsmen shook the Grandline.
Shanks stole the Gomu Gomu no Mi from a government ship, according to the revelation in episode 1040 of the anime and chapter 1017 of the manga. The intriguing aspect of this revelation is whether Shanks knows the secret behind the legendary devil fruit.
Shanks is a really powerful pirate as well, but he is not always up for fighting, only choosing to battle when it's needed, and he often makes selfless acts for others. He may or may not be evil, but he is definitely suspicious.
At one point, the Five Elders had an unexpected meeting with Shanks. They stated that the only reason he was granted a private audience with them was because of his status. Shanks expressed his gratitude to the Five Elders before discussing an unspecified “certain pirate” with them.