(Will get updated when i can thinknof more factions or someone make some up)
The arch nemesis of the Universal Alliance and probably the greatest threat throughoit the multiverses. The Reaper Alliance consists of several minor and major factions including:
The forces of Chaos
The Decepticons
The Covenant
The CIS
The Galactic Empire
The Flood
The Zerg
The Shattered Glass
The Reapers
The Greenskins
The Arachnids
The Terminators
The forces of Mordor
The forces of Dol Guldur
The Undead
The Sith Empire
The Dark Elves
The Mobile Suit hordes
The Legion of Doom
The Comet Empire
The Gamilons
Kaijus
Talon
The Lost and the Damned
The Banished
The Skaven
The IMC
The Combines
Headcrabs
The Vaygr
The Klingon
The Borg