Samurai - Biomutant Wiki
Samurai is the first major antagonist you'll face in Biomutant. He has a philosophy that destroying the tree of life will bring about a new age. If you want you can join Samurai on his path of evil, the choice is yours.
See also: What happens if I join the Jagni?
He is the Sifu of his tribe. This Biomutant character looks as menacing and he thinks and will stop at nothing to allow the world eaters to destroy the tree of life.
Here's how it all begins if you decide to help Samurai on his quest to destroy the tree of life:
Samurai was one of the six disciples of your mooma. He was trained in martial arts by her and, like the other disciples, he split off to start a tribe after the passing of your Mooma.