With Snow Emperor's explanation, the Immortal Kings of the Cold Palace no longer had much doubt that you had completed your second bloodline awakening.
Other than Snow Emperor, only Xue Que knew your "true identity." Snow Emperor had no intention of hiding it from him—or rather, she trusted him greatly. After all, Xue Luo had once been not only Xue Lin's master, but also Xue Que's benefactor and teacher.
Snow Emperor believed that Xue Que would not leak your secret. Telling him your identity would allow him to protect you better. Xue Lin was the strongest person in the Cold Palace, and his duty was to make himself as powerful as possible. As such, he would inevitably spend time in secluded cultivation to improve his strength, perhaps unable to emerge for a very long time.
Under such circumstances, someone who knew the truth was needed to ensure your safety. This person needed to possess a certain level of prestige in the Cold Palace, and their strength could not be too lacking. Without question, Xue Que was the best candidate. Moreover, the bond of "master and disciple" between you gave him even more reason to protect you. Aside from romantic love, Xue Que's feelings toward "Xue Luo" were not the least bit less than Xue Lin's.
As for your residence, Snow Emperor not only placed an empty palace of the Snow Spirit Race's royal family under your name, but also reserved a palace for you within the Cold Abyss Imperial Palace.
This palace stood right next to Xue Lin's inner palace. It had also once been Xue Luo's residence. All this time, in order to commemorate his master, Xue Lin had been unwilling to clear the place out after ascending to power. He had even found a way to freeze everything