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Aboard the Supremacy, Kylo Ren brought Rey to Supreme Leader Snoke who was pleased with his apprentice for the capture of Rey. Ren was ordered to execute Rey, but turned on the Supreme Leader instead. Together, Kylo and Rey defeated the Elite Praetorian Guards, but spit up after Ren's request for Rey to join him, to which she declined. Kylo told General Armitage Hux that Rey had killed Snoke and then escaped in the Supreme Leader's ship and therefore took the role of the leadership of the First Order and ordered its forces to Crait.
The Battle Edit
Kylo ordered the ground forces to finish the Resistance forces off on Crait and the Resistance members prepared by sending a distress call for anyone who would help as well as fighting off the approaching walkers in Resistance ski speeders. AT-HH walkers hauled a superlaser siege cannon towards the base to fire upon and destroy the main door which was the Resistance's only entrance and exit. Luke Skywalker Force-projected himself to Crait where he distracted Kylo Ren and the First Order so the survivors could flee.
To be added
Note: Needs expanding