and because of the edit ...
later the human leans to the bars, singing "buuur-ning staaa-aarfire. high in the sky...hummhumm..." and the kobold hangs whit one hand halfway out.
(1d20+17)[27]
and with a click, the door suddenly swings open. "SMOKE!" the kobold yelps and a thick fog flows out from his body obscuring vision.
the guards and Davhid hears some fast footstep.