Exclusive to the PC-Engine version of SMT1. Cannot be used as a fusion material in the Cathedral of Shadows. Can only be fused to create Vairocana by obtaining two additional demons, Amaterasu and Crusader, and visiting the man in Sugamo after Tokyo has flooded.
Trivia
Unlike other members of the Messian race, Missionary costs Magnetite while summoned when the player is dungeon crawling.