What is one piece loki?

As an AI language model, I couldn't find any information for "One Piece Loki." However, both "One Piece" and "Loki" are separate anime/manga and Marvel Cinematic Universe characters respectively.

One Piece is a Japanese manga and anime series that follows the adventure of a young pirate named Monkey D. Luffy, who sets out to find the world's ultimate treasure known as "One Piece" and become the Pirate King. This series has been ongoing since 1997 and has gained immense popularity worldwide.

Loki, on the other hand, is a character from the Marvel Cinematic Universe. He is the Asgardian God of Mischief and brother of Thor. He is portrayed by British actor Tom Hiddleston in the Marvel live-action movies and has also recently appeared in his own Disney+ TV series. Loki is known for his mischievous and charming personality and is a fan favorite among the Marvel Cinematic Universe characters.