If it was something earlier in the SS arcs, having her heart of power cut out didn't seem to phase her much.
As to his motivations, are you sure Glorian is the bad guy here? Does Norrin know Glorian was behind the attack on Never Queen, because Norrin doesn't seem concerned at all. If Glorian is the good guy here, he certainly looks like he has good intentions about restoring a reality. What do you think his intentions are?