i have been wanting to make a separate inventory for keys because i have too many key in the inventory for this game and i was hoping there would be a way to make a separate inventory. so if there was a way to do it please tell me, i would be grateful

See here:
viewtopic.php?f=18&t=3789

I used it for spells for Deeper, and had a different solution for keys, as I had the issue with keys cluttering up the inventory.