Crypto Octavius

Crypto was an old friend of Argul Luguininoh and the elder brother of Rando Octavius. He made weapons for Luguininoh, Takata and Zymphorius, gaining profit from the war. He joined Zymphorius and turned on Argul. He dueled Argul, trying to kill him, but was instead killed himself. He told Argul that only the son of a body master could kill Zymphorius. He was unaware that one existed.

Quote

"Only the son of a Body Master can kill him. Never was there a single one."

-Crypto's last words to Argul