@ Nan, You could post about working on the rest of the party and yourself with your healing magics (since I did make the assumption that you would use them during a short rest to aid along the group's healing).
Also there are two alters on the other side of the room that you could check out. The sarcophagi are also currently untouched as well. Tulugaq is unceremoniously shanking goblin bodies, I am not certain how Tanthalus would feel about it. Dunor is over by the pit, but with you track record so far with pits you may be better served to stay away
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During not combat/non skill challenge times, I have usually found that party interaction is a nice way to develop character depth if you aren't necessarily doing anything right that second and waiting for others to finish what they are doing.
@ ALL, If I have time this weekend I will put the finishing touches on the first map for one of the flashback sequences. I am uncertain though if I like some of the elements I put into it so I may start it over.
The new characters that joined the group can use this as a way to show how they were thrown together in this. Venn and Shadow, if you want to join the flashback you can take on playing an NPC type or whip out a quick character for this one shot encounter (like a version of your fighter/barb/monk to test it out Venn)