Nastvan surprised, confused, where are the others? Help them exit without being noticed, somehow. Aggma looks local, no problem. Rest is... problematic. Giant coat?
Exiting isn't difficult, but getting any magical items they have out is. Make it a heist à la Lupin?
On way out, security, checked for not bringing out any unauthorised items or weapons.
People get gathered from other planes and taken to General Deliquescence's arena for amusement.
Tells the party to go rest at his place where he'll inform his brother Norlik of their arrival. He'll join them after his shift.
get out of the tower
describe the general atmosphere of the city of Dis. The heat, the dust, the screaming, the repression. Bump into some city guards? A harengon-tiefling mix named KillerRabit that talks like a new york mafiosi?