The crew may lose Robin at Enies Lobby without Luffy's guidance. The Straw Hats would likely be defeated in the New World ...

Potential replacements for current crew members include Yamato, Bepo, Baby 5 ... refuse to go, but Luffy would raise hell to keep them. They're not just a crew. The Straw Hats are a family.

In the chapter, Loki reveals that he understands Luffy’s eagerness to meet Shanks ... it is difficult to see Loki joining the Straw Hats either. Perhaps Loki may be doomed to a fate similar ...