First off, let me say that I'm very excited to see the progress in this project, and look forward to your improvements- particularly stability improvements.  ;D

Release: Alpha 10, using the art pack.
System: Reproduced on a Lenovo T430, using an Intel HD Graphics 4000 onboard video card. 4x 2.6 GHz i5 chip with 8 GB of ram. Also reproduced on my desktop, but I don't have specs available right now.

Trigger: In the course of play, have your keeper pick up the item 'lead-filled war hammer named Jing's Death (+16 Damage, +5 Accuracy)'.

Visual Effect: The primary display closes without warning. Session data is lost. The second window displays the following text very briefly before closing: Terminate called after calling an instance of std::string

Reproducible: Yes, the application terminates 100% of the time.

Other Information:
Running the program as Administrator in an attempt to reduce crashes.
Issue does not appear to be dependent on other objects/monsters- reproducible when in a team or not.
The issue occurred after exterminating the nearby dwarf race.

Thanks very much- I hope this is helpful.