In Tuo Bihan's Sky Palace on the eighth-level of the Extreme Creation Mountain, Wei Wuyin was currently there. He stood in a large hall with several figures present. Since his 'incident' with his Sky Palace, he had to wait while it was being rebuilt entirely, so he decided to set-up shop at Tuo Bihan's residence.
It was largely unused as the old man often spent his days lounging down at the Martial King's Dao Palace or idling about elsewhere. Due to his old age and high cultivation base, he simply acted however he wanted and slept where he felt he should. This was how Wei Wuyin met him first.
He even lacked attendants for his Sky Palace, just like Wei Wuyin had. It was very rare for those of his or Tuo Bihan's level to avoid procuring workers to maintain the Sky Palace. But they both seemed to lack others constantly in their space.