Shonen Run

The War of Marineford was one of the greatest war that took place on the island of Marineford between the Whitebeard Pirates and their allies, led by the Emperor, Edward "Whitebeard" Newgate, and the entire Marine Headquarters' forces, including the Seven Warlords of the Sea, over the execution of the Whitebeard Pirates' second division commander ACE.  Luffy also joined the batle. He tried his best o save his brother Ace. In the same battlefield he  the conquerers haki 

The Moster trio in Straw hats pirate is refered to luffy , zoro and sanji. Nami is the one who dubbed them the Monster Trio because those three have astonishingly inhuman strength. They were crushing stones, breaking mountains, wrecking Pacifistas in a single attack, etc.  Mugiwara Luffy is the Captain of the Straw hats pirates where as Pirate hunter Zoro is the Vice-captain. Black-leg Sanji is the cook of the ship. They are the strongest members of Straw hat pirates. Monkey D. Luffy, also known as "Straw Hat" Luffy, is the Captain of the Straw hat Pirates. Luffy is a young boy who acquires the properties of rubber after accidentally eating the supernatural Gum-Gum Fruit. His goal is to become the King of Pirates and is on the race of finding One piece in the pirates world. Roronoa Zoro, also known as "Pirate Hunter" Zoro, is the combatant of the Straw Hat Pirates, and one of their two swordsmen. Formerly a bounty hunter, he is the second member of the crew and the ...