Like I said, anime spoiler, and responses definately will be. You've been warned.

I recently saw an AMV of Luffy vs. Usopp to the song "In the End." The AMV filename before I got it is even labelled as a spoiler Anyway, Usopp looks devilishly pissed at Luffy as the Going Merry is on land, he walks off after a big argument with Luffy. The rest of the AMV shows them fighting, big time, and Usopp actually puts up a better fight against Luffy than most of the villains that I've seen, hell, where'd the hell he start shooting shurikens with his slingshot? Well, he did well... until that one last anticlimactic punch anyway. I'm only up to ep. 212, where Balkongo Fansubs are, and I KNOW this is much further ahead. I can't help but be curious, what the hell is going on in this portion of the anime, and can I get an idea of where in the anime it is?

Thanks for details, don't be too scared to spoil