Demon Asura Zoro Zoro's left eye has glown multiple times throughout the series, most prominently during the Water 7 saga. In fact, Zoro not opening his eye could be him successfully controlling the power and surge of the demon Asura, which he couldn't before.
Unfortunately, it's yet unknown if Zoro can use his left eye or not in One Piece. The Straw Hat Swordsman received the injury during the timeskip, and has yet to discuss the issue with his crewmates and captain. Furthermore, no comment has been made by the only other two characters who would know, Mihawk and Perona.
So, for fans who wonder why Zoro stopped laughing, it isn't as simple as merely losing his sense of humor along with his sense of direction. Rather, it was due to Zoro realizing just what his crew needed him to be, as well as what he needed to become, in order to accomplish his own goals.
Mihawk gave Zoro the scar on his left eye to force him to learn to fight only using one eye. Sharp eyesight obviously improves one's fighting ability, but it's especially necessary/crucial for a swordsman's fighting style.
Luffy Gave Himself the Stitch Scar Under His Left Eye
In order to prove his courage to the pirates, Luffy took a knife and stabbed himself below the left eye. The act resulted in a scar that certainly made him look tough as a pirate. While there was some humor in this, it proved too brutal for the anime.
Zoro was the first person who accepted Luffy's invitation and joined the latter on his journey to become the Pirate King. Zoro is a very powerful fighter and he possesses all three types of Haki. Zoro was able to use Conqueror's Haki unknowingly against Kaido.
It limits his sight and his depth perception in particular, and it would get hair in his open eye whenever the wind blows.
Charlotte Pudding is a supporting character from the anime and manga series, One Piece. She is Charlotte Linlin's 76th child and 35th daughter, and one of Charlotte Linlin's favorite daughters. She was arranged by her mother and Vinsmoke Judge to marry the Straw Hat's cook and Judge's estranged son, Vinsmoke Sanji.
During his time on Momoiro Island, Sanji learns a move named “Sky Walk,” which allows him to jump to great heights and to be able to float mid air by making sonic booms in the air behind him.
So far, it is unknown how Sanji is able to light his legs up on fire. According to Oda, it is the burning passion of his heart that enables him to do so, and Sani has himself claimed that his flames burn hotter than any other flame simply because his passion is limitless.
Conqueror's Haki is one of the rarest powers to exist in the One Piece world. Unlike the other two Haki forms, this power isn't accessible by everyone but exists within only a chosen few. Its basic level allows the user to intimidate and overwhelm those who have weaker wills.
He is a specialist of Observation Haki, Ryuo, and also Conqueror's Haki. Among all the Haki types, however, Luffy is especially skilled at using Conqueror's Haki, which is his best Haki type.
Roger used advanced forms of conqueror's haki as he imbued his sword with conqueror's haki and clashed with Whitebeard. He also used advanced armament haki for more powerful sword attacks. Additionally, Roger possessed the observation haki, thus, making him the strongest haki user of all time in One Piece.
Luffy got his scar on his chest from Roronoa Zoro this happened while Zoro's being controlled on Episode 223 from 10:55 - 11:10.
Sir Crocodile was the main antagonist of the Alabasta arc of the series and the first Shichibukai that Luffy took down. Crocodile is easily one of the most difficult fights that Luffy has ever fought as he lost to him twice.
Shanks' scar caused by Blackbeard because he's mistaking the gomu no mi with yami no mi which Blackbeard been searching for decades. We know how willpower work on One Piece, man dreams never die.
As fans know, Nami doesn't wield any form of Haki in the story so far. Haki is a power that Rayleigh described to be the manifestation of the user's spirit. Every person in the One Piece world possesses Haki, however, not everyone is able to bring this latent skill out.
Monkey D. Luffy has mastered all three types of haki, including Kenbunshoku Haki (Observation Haki), Busoshoku Haki (Armament Haki), and Haoshoku Haki (Conqueror's Haki). He can even use several subforms of the hakis, which makes him one of the most powerful haki users in the One Piece world.
The Haki Haki no Mi (覇気覇気) is a Paramecia-type Devil Fruit in which the user is able to see all three types of Haki, as symbolized by a different color.
Sanji realizes that his augmented body was the result of wearing his raid suit. Sanji's genetic modifications compared to his brothers, affected only his body due to having a fully developed set of emotions before it awakened.
After the events of Wano, Sanji was given a bounty of 1.032 billion berries and that is nothing short of staggering. This came on the back of him awakening his exoskeleton and the latent Germa abilities that he had inside himself, allowing him to take down Queen the Plague of the Beast Pirates.