So if I remember correctly it over here, I'll attach a screenshot. But this mob isn't the ones you randomly fight. It's one of the purple mob that you can see while walking around the map.

So scratch this. It finally popped up for me. Sorry!

<t>So I've been running around all of the first floor where the soil treant are supposed to spawn, but have yet to fight one. I even used the rhythm that attracts enemies and nothing. Any tips? The catalog also has a monster entry with ?????, assuming that is the soil treant but could be wrong. Any ...