for 1 harbinger died in the first game
2 i would gather all the races like the racni citadel species geth and quarins then build a giant emp bomb lead them into a trap at the citadel then power everything down including the citadel then stick the bomb straight up there ass duke nukem style and kill all the survivors.
2 i would gather all the races like the racni citadel species geth and quarins then build a giant emp bomb lead them into a trap at the citadel then power everything down including the citadel then stick the bomb straight up there ass duke nukem style and kill all the survivors.