I don’t know if it’s a a hack or a bug I’ve encountered, maybe it’s a skill I’m not aware of and completely normal too..
But I’ve encountered a convoy of identical player characters with similar nicknames running around back and forth in the same area for a long time, killing everything there together.
All characters used the exact same weapons and pet bears and appeared very automatic, running together one after another always.. none of them replied too.
Took quite a few screenshots of the phenomenon.
