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

Mephiles is an Anthro Nightmare Alicorn he is the Reincarnation of Mephiles the Dark from a timeline that he no longer exists in and he was reborn as an Anthro Nightmare Alicorn and he is one of many of Sovereign's children and his mother is an Anthro Nightmare Alicorn named Nightmare Moon and Mephiles is over 9 million years old and he is still evil just no longer the desire to erase timelines now he is a necessary evil just like his father, sovereign as a dark protector and Mephiles was able to create his own reality 30 times larger than the Omniverse it's not as massive as Sovereign's Megaverse but the Crystalverse is Mephiles's design full of Nightmarish like people and animals of countless different species both beautiful and scary at the same time and his home is the Nightmare Castle

Twilight Sparkle is an Anthro Equestrian Alicorn and she is from My Little Pony Friendship is Magic Animated Series and Sunny Starscout is an Anthro Equestrian Alicorn and she is from My Little Pony Generation 5 animated series

Brandy is an Anthro Horse and she is 21 years old

Zandy is an Anthro Zebra and she is a 18 years old school girl

Starving Chief and his tribe are very hungry

Windy Whistles is an Anthro Equestrian Pegasus and she is from My Little Pony Friendship is Magic Animated Series

Stellar Flare is an Anthro Equestrian Unicorn and she is from My Little Pony Friendship is Magic Animated Series

Princess Twilight Sparkle is an Anthro Equestrian Alicorn and she is from My Little Pony Friendship is Magic Animated Series

Diamond Tiara is an Anthro Equestrian Earth Pony and she is 21 years old and she is from My Little Pony Friendship is Magic Animated Series

Apple Seed is an Anthro Equestrian Earth Pony and she is 18 years old and she is from My Little Pony Friendship is Magic Animated Series

Evil Luna is an Anthro Equestrian Alicorn from My Little Pony Friendship is Magic Comics

Autumn Blaze is an Anthro Kirin and she is from My Little Pony Friendship is Magic Animated Series

Mrs. Shy is an Anthro Equestrian Pegasus and she is from My Little Pony Friendship is Magic Animated Series

Mikilis The Echidna is an Anthro Mobian Echidna and she is the Goddess of Death

Kiino The Echidna is an Anthro Mobian Echidna and she is the Goddess of the Sun and Moon

Katun The Echidna is an Anthro Mobian Echidna and she is the Goddess of War

Sonic and Friends drives a Halloween car to a party for a contest to win the most scariest car for 50,000 rings grand prize

Strip Trop is an Anthro Equestrian Unicorn and she is 18 years old

Pachoa The Echidna is an Anthro Mobian Echidna and she is the Goddess of the Hunt