Rimuru Tempest is the main character from the light novel and anime series That Time I Got Reincarnated as a Slime. Originally a human named Satoru Mikami, he is reincarnated as a slime monster in a fantasy world after being killed. Rimuru possesses unique abilities, including shapeshifting and absorbing the powers of other creatures. As a slime, Rimuru quickly gains strength and forms alliances with various beings, including monsters and humans. He becomes the leader of the Tempest Federation, a community that promotes peace and cooperation among different races. Rimuru's goal is to create a world where everyone can coexist harmoniously.