This episode marks the "face turn" for Magma, transitioning him from a one-dimensional villain to a rough-around-the-edges ally.
While navigating brittle mica rocks, the ground collapses. Magma pushes Senku out of the way of a pit trap, but falls in himself. Despite the risk of also falling, Senku refuses to let go of Magma's hand, demonstrating absolute trust. Magma’s Character Evolution Dr. Stone Episode 22
While the trio is away, Gen Asagiri rallies the entire village to build a surprise gift for Senku: an . This episode marks the "face turn" for Magma,