Grannin, a male Human aligned with the Mantellian Separatist cause, participated in the Separatist War against the Galactic Republic that supported the Mantellian Government. He found himself at the Separatist Base located at Mannett Point. During this time, a promising Republic trooper managed to infiltrate their base. The trooper discovered Grannin, injured, along with his Separatist comrades; however, the trooper spared them, demanding they cease fighting.