Why does Luffy want to become the king of the pirates?

Luffy can simply do anything for a friend (even die for him/her) as Shanks would have done to save him (his little friend). When shanks left him at Foosha village, luffy promised that one day he will also become a pirate (powerful enough to help a friend and roam around the world to make new). read more

The pirate king exists outside this power structure. He (she) is the most "free" individual in the world. As stated by Luffy in chapter 507, this freedom is the exact reason why he wants to become the king of pirates. The other reason is that he wants to have an adventure. The quest to become the pirate king is the greatest adventure there is. read more

It's like the series is saying, Yeah yeah Luffy is going to become king of the pirates but the importance is on the adventure to it, not the result. In naruto and hero academia, there is so much build up to WHY they want their destination. I feel like the series could end without Luffy becoming king of the pirates and I wouldn't be upset. read more

I've been thinking about this a lot. it is kinda obvious that everyone in the SH crew will accomplish their dreams at the end Luffy will become the pirate king read more