Rune comics attract people for various reasons. They can offer a break from reality, have fascinating mythologies, and the action scenes are usually thrilling and visually stunning.
I'm not sure exactly. It could refer to some form of cartoonish injections or perhaps a connection between injections and caricatures in a creative or symbolic way.
I think 'One Piece' has very popular characters. Luffy, Zoro, and Nami, among others, are beloved by many. The diverse personalities and unique abilities of the characters contribute to their popularity.