The Unified Empire is a massive Megaversal Empire that spands beyond the Multiverse, Omniverse, Ultraverse, Superverse, Quantumverse, Crystalverse, Draconicverse, Inquisiverse, Hyperverse and so on to the Megaverse itself there are 61 layers beyond the Multiverse in total and the Unified Empire has a massive alliance with countless Species throughout the Megaverse and 67 military branches from Nightmare Guards to Sith Knights, to Doom Marines, Spartans, Guardian Generals, Onyx Guards, Section 8, Immortal Soldiers, Royal Guards, and so on and the Unified Empire's Emperor is Sovereign who is a Anthro Nightmare Alicorn and he is the All Powerful Elderitch God creator of the Megaverse and all life within it.

Sovereign is an Anthro Nightmare Alicorn and he is the all powerful Elderitch God one of the highest of them all and he is over 900 Quadrillion years old and he is friends with the Doom Slayer and many other powerful beings and deities that support him and Sovereign is the Emperor of the Unified Empire throughout the Megaverse itself that spands from the Multiverse, Omniverse, Ultraverse, Hyperverse, Superverse, Quantumverse, and another 55 other layers of reality of existence each one more massive than the last to the Megaverse itself the Unified Empire despises tyranny and the Unified Empire is extremely loyal to their Emperor to bring peace, and equality to all and he has over a thousand wives of different species from across realities that loves him and over 17,000 children and over 45,000 grandchildren and the Unified Empire itself is as old as their Emperor and his main force are the Nightmare Guards black armored soldiers their armor is completely indestructible the same for the other 67 military branches. the Nightmare Guards themselves are trained to challenge the mightiest of gods they are as dangerous and persistent as the doom slayer and each military branch is more powerful than the last

Sovereign is an Anthro Nightmare Alicorn and he is also an Elderitch God and he is over 900 Quadrillion years old and he is the Emperor of the Unified Empire

Susanoo the Lynx is an Anthro Mobian Lynx, Goddess of Storms and she is from Super Sonic X Universe and Shadow Infinity Animated Series

Lime Stone Pie is an Anthro Equestrian Earth Pony and she is from My Little Pony Friendship is Magic Animated Series

Adagio Dazzle is an Anthro Equestrian Earth Pony and she is from My Little Pony Equestrian Girls

Lilly Fox is an Anthro Fox and she is 18 years old

T-600 Titan Class Tank is a Four legged armored tank from Call of Duty Advanced Warfare being used by the Unified Empire by Nightmare Guards for some Universes like the AT-AT XT does against certain threats

Caring Hearts is an Anthro Equestrian Earth Pony and she is from My Little Pony Friendship is Magic Animated Series

Amaterasu is an Anthro Kitsune Fox and she is the Goddess of the Sun

Miira the hedgehog is an Anthro Mobian Hedgehog and she is 19 years old

Ghost is from Call of Duty Modern Warfare Video Games the new ones

Shadia The Hedgehog is an Anthro Mobian Hedgehog and she is 18 years old and she is Shadow The Hedgehog's twin sister

Shadowa the Hedgefox is an Anthro Mobian Hedgefox and she is 18 years old

Darth Tragedous is a Sith Knight for the Unified Empire as Sith Knights are a higher Military Branch than the Nightmare Guards and they lead Nightmare Guards into battle when they join the war in order to protect the innocent and they fight side by side with their fellow soldiers as equals and they are all loyal to Emperor Sovereign the all powerful Elderitch God, creator of the Megaverse and all life within it

Ayla Secura is a a Twi'lek and she is a Jedi

AT-AT XT is a walking transport with heavy artillery and this model has been upgraded after it was confiscated by the Unified Empire it is very useful for certain Universes and it has been mass produced by the Unified Empire with stronger and better metal than anything the First Order used it is mainly used by Nightmare Guards, Imperial Guards, and Ghost Soldiers and the metal it was made from was Black Wood the only known metal in the entire Megaverse that cannot break and it grows like trees and it is mass produced by the Unified Empire and by the order of Sovereign himself

Call of Duty is a Character from Call of Duty Modern Warfare 1, 2, 3, and probably 4 I don't know since I hadn't played the new ones. Anyways Ghost is the new member of Ghost Soldiers for the Unified Empire since earth has joined the Alliance and he is well equipped and highly trained Super Soldier now the Ghost Soldiers are are a powerful military branch of the Unified Empire they are 10 times more dangerous than the Nightmare Guards since their 67 military branches in the Unified Empire and half of Ghost's old team has joined him as well

Umbreon is an Anthro Umbreon of the Pokemon Species and she is 18 years old

Umbreon is an Anthro Umbreon of the Pokemon Species and she is 18 years old

Blaze The Cat is an Anthro Mobian Cat and she is 19 years old and she is the Princess of the Sol Dimension and she is the Guardian of the Sol Emeralds