There are many unclear things at the end, but I think I got it. When Luke freed Lorelei he thanked him by saving him and Asche... the time was because Eldrant fell to the core, them along with it.
archangelz1995: you could look at a walkthrough, you know...there are a lot
anywyas, you basically run up the stairs, start opening the hatches, you'll eventually find an elevator, go up, follow the path, triggor a scene and...
Damn... i stopped at e tower of Rem... OH GODDAMN it... i dun noe how to go through there... Asch was there rite? lols once cnt gt through i dun plae liao... AH!!! some one teach me how?!