The void created an ethereal magic, that started spreading over everywhere, the minimum of it in every already existing world was able to create a universe from others imagination.
The ethereal magic created first world where after 1445 years a pony Camellia was born.
The ethereal magic started creating the ethereal crystals as one creature from the world thought "what if there are magical crystals". One on the world, when if collected, the magic will spawn a new one somewhere.
Canellia got lost in the forest with memory loss, she worn an amber ethereal crystal she found and went through the portal to the portal void space, where the creature is able to make another portal to other place, world, as a consequence these places and worlds permanently starts existing in the Etherversum.
Camellia found her dead alternate mother in the ruins of their home in alternate world, gave her the ethereal crystal, that gave her the after-life as an ethereal mare.
The ethereal magic created the creature that exist only in the dreams of other creatures if they have worn the crystals.
A first alternate world has been created, where the timeline was quite smiliar like in Erin Hunter - Warriors book series universe building where cat named Rabatek was born.
Rabatek found the ruby crystal, worn it and met as first time in the universe pegasus mare named Sor, that was guiding and helping him through the life in the Thunder Clan.
A new original world has been created where lived the cat Mikuś, and an alternate Equestria where lived Minty Clair.
Sherlie the technology inspired pony has been created into existence as third ethereal pony ever there.
Alternate worlds of Mikuś' world were made, where the cats were quiet aware of the ethereal magic.
Sherlie started creating ethereal devices and invented EtherOS for them, exchanging the inventions for ethereal crystals, as also she created the ether-net.
Mikuś ran away from the home outside to the city and got attacked by the stary cats.
Minty Clair ran away from her mother, fell into the portal opened by a mysterious orange cat.
Mikuś became an ethereal cat and met his ethereal family from the alternate world.
The ether-net and devices of Sherlie started glitching slowly the ethereal magic.
Dabby was born in the war affected world as a guard.
Mikuś destroyed the barrier separating the whole ethereal worlds and dimensions making it open for every creature.
Minty Clair started living in the alternate world in the village and changed her name as Fluffy Pastel.
Cats started their tries to use ethereal magic for portals to other world successfully, the consequence was more glitchy ethereal magic as they overused the magic for that.
Ethereal magic corrupted and started annihilating the worlds and destroying Etherversum, Mikuś went looking for his alternate version and found Fluffy Pastel, they fixed the corrupted Etherversum, Fluffy became an ethereal creature.
Dabby died and became an ethereal cat, she found her place in the Ether-Core, watching for the ethereal core if it's safe from glitches.
Dabby and Sherlie met as Sherlie was walking through the portals to find the cat who wanted to get the ethereal device called phone. They became friends and they talked for a little longer.