Successfully complete Arcade mode as Temjin. Enter the character selection screen. Highlight Temjin then press X. Highlight Random, then press X. Highlight Raiden, then press X(2). Highlight Bal-Bados, then press X(2). Highlight Angelan, then press X (2). Finally, highlight Grys-Vok, then press X(3). Prototype Temjin cannot air dash, double jump, or use turbo weapons but has increased damage.