Fenix and Alastair see the bulk of the club patrons moving for the doors at this point, though a few are still lingering here and there, and the devil girls remain in their cages.
Fenix realizes that with the lower level clearing out, he can try to get onto the upper level by bypassing the stairs entirely.... jumping up to the balcony, perhaps using a table from the bar area for a boost, or either he or Alastair lifting the other.