history of the world

due to the world modifiers I chose the world is different than in the description, so her I will give explanation of what happens there.
the revolution in rubicar found something deep underground, or more like someone. they found an ancient monster queen, however they couldn't bring her tothe surface because the dragons waited them. however, after they waited some time underground, some strange event occured. portals appeared and connected rubicar, breakout and ceridian. this caused magic to appear on breakout. additionally, a strange, game like system and dungeons appeared on the three worlds, allowing to become stronger. not knowing better, the three worlds started a war. a war than included dragons, magic, and modern weapons. using the confusion from the portals and the war, the revolutionary members and the monster queen went up to the surface, where the monster queen murdered the revolution members and made 12 monster girls using their remains. they were named the 12 apostles of ruin. the monster queen revealed her powers to the worlds, which enabled her to move through dungeons and strengthen monsters. the three worlds understood the risk and decided to put their differences aside and work together to defeat the monster queen. their alliance grew stronger when the goblinoids, undead, giants and formless joined the monster queen side after being treated as monsters by the people of rubicar and ceridian for years. the alliance decided to nurture young heroes in academies for each non-monster species, which will include magic, science and combat. additionally, both angels and demons from the heavens and hells came to help fight the monster queen