I upgraded Bellower from rank 5 to rank 6 in the Tavern. It looked like a succesful upgrade, as it consumed three rank 5 chickens and two rank 5 champions. I also was able to upgrade its level to 60 by spending more than 100 void brews. However, when I see Bellower now it shows as being rank 5 instead of 6. I thought the upgrades had somehow reversed, but I can't see the chickens nor the champions nor the brew back in inventory. Can you please help checking this issue?