And Because snoke told kylo to kill all of Lukes apprentices and so he had to hide her to hide his failure to fully carry out snokes orders. Killing all his fellow students could have been snokes way of asking kylo to prove himself that he was leaving the light side to dark side.

I have had a thought about rey’s mother since I seen the film. My thought is that Captain Phasma is her mother. In TFA they have taken bits and pieces from the EU and she reminds me.or could be a Mara Jade like Character, who teeters between empire and rebellion. After Capt. Phasma being such a push over it seems like…