There is a bison that you can not spot or interact with standing in Hirschfelden. It's actually hollow and you can walk inside it, so it's not a normal animal. The map shows where to find it.
#Hollow bison at Hirschfelden!
devout grove
bold jay
Good to know I'm not the only one. Freaked me out when I first saw this in the middle of the night and just thought that meh maybe some bug that goes away next time..
It's still there 👀
