Gate to Middle Earth (LOTR X GATE)

This is a Fanfiction AU universe but a same story from some parts of the book and a movie. There will be some same events but battle of middle earth logic meaning Boromir and those who where killed in the movies or book will be alive. Basically battle for middle earth logic. There will be the battle in the misty mountains and fighting against Angmar.

Middle Earth, a land filled with magical creatures of Men, Elf, Dwarf, Orcs, and other creatures that lived in Middle Earth until a gate appeared in the North. Armies of an unknown Empire have taken part of the North. It was than Men, Elves, and Dwarves found a new threat that would put a new war in the North but some believe they could help protect the north seeing a larger armies that would provide protection and March to Mordor. It was than Elrond declares to talk to a new nation that would help fight against Sauron but servants of the Dark Lord will poison their minds and would create a slave alliance that would not destroy middle earth it the suffering of all the people with war. Will the free people get an huge alliance or will the Empire from another world join Sauron against the Free people's of Middle Earth and let all of Middle Earth fall in Darkness.