Discussion about Dungeon (Dark Elves).

It seems like the growth increase is permanent, but you shouldn't overdo it. 8)
Also, in the tavern, for 100 coins, they tell a story. The innkeeper told me about some mage who sacrificed his creatures and gained great power. In that story, there was a hint that you can get more than just an increase in creatures from the sacrifice...
P.S. Or maybe my poor English translated the story incorrectly. 8)