I've been trying for almost an hour to complete this quest. When I click on the skeleton mage (a few inches away from Sismond), I get a message that the performance has not been completed.
I also tried going back to the Midnight Camp because I noticed a chest that has the name Kadmos over the top of it. I may be incorrect but I think that the Kadmos chest is in some way related to this quest. Especially, since Will Kanches (an observer of the missing performance); mentions Kadmos. I think Rusty is correct; the quest is bugged
Nobody can complete it on Reni at least, and I think we are not unique.
Kadmos is also not supposed to be a chest. I noticed it too, that looks like a bug. Dragons can transform into humans, but the last time Kadmos was involved in quest, he was a traitorous dragon working with Maderoth, not a large wooden box.
Hard to tell what is missing. Storyline kinda meanders around and jumps in weird ways, so it is possible that a chunk of it is not accessible and it is causing problems for this quest. More likely it is not. My guess is that Sismond is supposed to go into his performance and something else to happen - maybe having to do with Kadmos, maybe Morrok, maybe Will, maybe some other NPCs. But until Sismond starts his act, we can't go on.
Oh, well. Geograpically, we are at the end of the zone, so not a lot of missing.
And speaking of messed up quests, can I used a large OD 2-H hammer on the head of a person who wrote Bullseye quest? What the freaking frack was that all about?