Additionally, every E.S. is named after a child of Jacob in the Book of Genesis. These mecha are similar to the Omnigears from Xenogears, and their names correspond to the Anima Relics, which powered those units. Each E.S. is at least above the achievable speed, strength and power of the A.M.W.S., several E.S. have been noted with teleportation abilities. It is unknown how old they are. Pellegri comments in Episode II that they are "thousand-year-old relics" - it is unknown which of the E.S. she is referring to.