mixing up with assorted enemies. Somehow I managed to get rid of all threats but then,
after clearing the whole level (including the giants' village), no more fragments...
If it's a bug, I like it! Expecially when running a poor rogue

If it can help, I do have backups of the character 'save' directory around 1st entering and at the final stage (after clearing the whole level),
probably also the 'stdout' log of that session...