@zarqon I came across this message, which I think is prompting the user to report this bit
 Investigating a Plaintive Telegram
Encounter: relentless, unstoppable caugr
Round 0: taltamir wins initiative!
Round 1: taltamir executes a macro!
Round 1: taltamir casts MICROMETEORITE!
Round 2: You lose 58 hit points
Round 2: taltamir uses the western-style skinning knife!
You gain 79 Meat
Round 3: You lose 65 hit points
Round 3: taltamir uses the cow poker!
Round 4: You lose 64 hit points
Round 4: taltamir casts EXTRACT!
You acquire an item: Source essence (3)
This monster is stun immune! That information should be added to batfactors.
caugr appears in only two different forms, there is no randomness here btw. It is either a "caugr" which appears on the telegram "Missing: Pioneer Daughter (easy)" or it is a "relentless, unstoppable caugr" which appears on the telegram "Missing: Many Children (hard)"
the latter being immune to stun and stagger