All you need to stop a brain is a bullet.
"Alright where is the beast so that I can size it up?"
"That's the thing...you see that mountain range over there?"
"Yeah, the twin spires, what of it?"
"Well that's the beast"
"Bah, dere be no such thing as no 'peripheral beast'. How can their exist a creature you canno' even look at?"
Torax Shieldbreaker, Dwarven explorer
Rabbit-leonine like grass dwellers, for flavour
A large river that is continuously covered in a thick layer of fog. There will be either a rope ferry to get across or possibly a boat that is rowed across by worshippers of the water elementals. It is very thick fog to the point where it even muffles voices even at close range and visibility even beyond a foot is almost impossible.