One Piece. It has an incredibly strong and complex story that spans across numerous islands, each with its own unique culture, characters, and challenges. The overarching plot of finding the One Piece and the journey of Monkey D. Luffy and his crew is filled with action, adventure, mystery, and emotional moments. It also delves into themes like friendship, dreams, and the fight against injustice.
Sailor Moon. It's a classic with a simple but strong story. Usagi Tsukino is an ordinary girl who discovers she is Sailor Moon, a magical girl destined to protect the Earth. Along with her friends, she battles against various villains. It has elements of friendship, love, and self - discovery, which are presented in a way that's easy for beginners to get into.
Goku is one of the strongest characters in the manga universe. He has insane strength, speed, and energy projection abilities. His determination and training have made him a force to be reckoned with.
Rimuru is very strong in the manga. He starts off with some unique abilities and keeps getting stronger through different events and encounters. His strength is not just physical but also in his strategic thinking and leadership skills.
Gohan is pretty darn strong in the manga. He has moments of extreme power, especially when he unlocks his hidden potential. However, his strength isn't always consistent and depends on various plot developments and training.