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

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

Screaming Forest Party for Halloween in a different universe in the Megaverse the home reality of the Anthropomorphic Nightmare Alicorn known as Sovereign the creator of the Megaverse and all life within it known as the all powerful Elderitch God, Emperor of the Unified one of the highest on his home planet Tyrus a world the size and a thousand suns with 34 just like it in the solar system with thousands of moons and one literal Black Sun the only one in existence that isn't a Blackhole it is a black Star that radiates heat just like the Sun does and in the Screaming Forest where Slender Sapiens live there is a party there celebrating Halloween and a lot of species from across the Multiverse and beyond were having fun with one of Sovereign's children who is in charge of the party with festival there the one and only SlenderStallion who is half Nightmare Alicorn and Part Slender Sapien but still extremely powerful just like his father and some of his half siblings are helping him with this party Ulquiora who is an Espada Nightmare Alicorn and Mephiles The Dark who was reborn as a Nightmare Alicorn with Iblis who was the flame of Disaster who was also reborn as a Nightmare Alicorn for things to go smoothly

The Sonic Crew got lost looking for Shadow the Hedgehog's older brother Exe the Hedgehog's Mansion for a Halloween Party both heroes and villains and a few mobian deities were looking for it even though Exe is part demon he keeps his home private because of a few certain goddesses who kept attacking him like The council, ishoshishi the bear, toyotama the Dragoness, and and a few others like izanagi the hedgehog himself the creator of the universe and his daughters Amaterasu the fox, and Tsukuyomi the wolf, and Susanoo the lynx and izanagi's wife Izanami the cat known as the goddess of death which all irritates Exe immensely

Hoot Wavel is an Anthro Equestrian Unicorn and she 24 years old

Ashley is a 22 years old black woman

Silver Spoon is an Anthro Equestrian Earth Pony and she is 18 years old and Sweetie Belle is an Anthro Equestrian Unicorn and she is 18 years old and Rarity is an Anthro Equestrian Unicorn and she is 24 years old and they are from My Little Pony Friendship is Magic Animated Series

Sonic Crew Halloween Special for Trick or Treating however every single Sonic Character is unaware of this community belongs to the Exes as in Demonic Mobians from Hell and the leader of the Exe's is Exe the hedgehog son of the devil as in Exetior the hedgehog and Exe's mom Veronica the hedgehog while shadow the hedgehog is his younger half brother and his other siblings like his two sisters Shadina the hedgehog and shady the hedgehog and his other brothers Sanctum the hedgehog and Light the hedgehog while Exe is the oldest sibling and Exe made the community for his subjects because he has no interest in causing Armageddon he just wants to live in peace unless you anger him enough and Exe the hedgehog has 14 wives, Tsukuyomi the wolf, Exerosis the hedgehog, Amaterasu the Fox, Lanolin the sheep, whisper the wolf, Honey the cat, Toyotama the dragon, ishoshishi the bear, Tikal the Echidna, Shade the Echidna, Julie-Su the Echidna, Lien-Da the Echidna, Eclipsa The Darkling, and Nova the Darkling and they have 25 Halfbreed children of their own

Shady the hedgehog is an Anthro Mobian Hedgehog and she is 25 years old and she is the Genderbent of Shadow the hedgehog from the Genderbent Universe

Trex Village is full of starving people who hasn't had meat in a while