The story in this post is not official, but only an idea of ​​the future Mortal Kombat XI.
A year has passed after the defeat of Shinnok the hands of Cassie Cage, Raiden uses the power of Shinnok to correct the world and so he did, but in the Underworld, the royal couple emperors Liu Kang and Kitana planning another attack against Plan-Land and all other realms attempting to help him, the emperors end up having their completely corrupted souls and are completely evil and full of hatred and fury, they govern the Netherrealm with an iron hand, so they use black magic Quan Chi to ressulcitar to all those who died in MK 9 and MK X and create a powerful army to invade Earthrrealm and all other kingdoms, Raiden though corrupted by the powers that contamiraram Jin Sei even warning the couple's Underworld , is appalled at their attitude and then begins a new war, Raiden and Espercial forces unite to combat this threat and destroy the ambitions of Liu Kang and Kitana, the greatest danger of history, but they know they can not do them alone then they unite with the realms of Edenia, Outworld and Orderrealm for this new battle.