I don't know if it's a bug, but since I had a shadow mimic on, I've been wearing a shadow orb and thanks to that I had 2 pets active.
I canceled the buff shadow mimic and now I cannot activate it again.
It doesn't help to take off,throw the item away.
Same problem here (188.8.131.52)
Im also got anthil entry in desert, like it was in 184.108.40.206.
Edit: I generated about 200 worlds looking for the perfect seed for the new game, and came across several dungeons that were on the link between the end of the evil biom and the neutral.
The dungeon in the...