To support the creators and ensure you’re getting the most accurate translation and high-quality art, I recommend these official sources:
Luffy discovers that water solidifies Crocodile's sand body, allowing Luffy to land physical hits. In this chapter, Luffy famously uses a large barrel of water (Mizu Luffy/Water Luffy) to fight back.
Since the link you provided seems to be a search query for raw/free online manga, I've put together a report focusing on the official story content and context of that specific chapter to help you get the most out of it!
This was one of the first times fans saw a Logia-type user (previously thought to be invincible) defeated by a natural elemental weakness rather than Haki (which hadn't been fully introduced yet).
Desperately trying to stop the civil war and locate the hidden bomb.
Using "Water Luffy" tactics to bypass Crocodile's invulnerability. Antagonist
It highlights Luffy's "battle genius"—his ability to think of unconventional ways to win against overwhelming odds. Safe & Official Ways to Read