E.S. Simeon is Albedo Piazzolla’s E.S. unit. It is unknown who manufactured it but it is probably U-TIC Organization or Hyams Group. Like the E.S. Issachar and E.S. Zebulun, Simeon uses the weapon system known as Aird. Along with Albedo, it dematerialized half-way through Episode II and while Albedo later reappeared, E.S. Simeon did not. E.S. Simeon's system is known as the Relic Drive. This drive fuels the E.S. by absorbing the 'Will' of living beings. In Xenosaga: The Animation, it directly absorbs a Kirschwasser seen bound to its Vessel of Anima and transforms into a giant bio-organic monster with hundreds of tentacles and a gaping maw. It is reduced to a pool of molten flesh and comments from chaos and Jr. suggest that it didn't have a proper Vessel to begin with. E.S. Simeon is later