Each player sees their own version of reality: The boss trophies that they see hung at the start temple depends on their individual progression. Boss loot only drops when sacrificing the trophy.
Show hover icons on the cursor. Quickly identify things via the inventory item icon. The human brain recognizes images much faster than it recognizes text.
Assign an item to a sign and see quantity available in nearby containers. Interacting with the sign highlights the containers with that item. Organize your hoard!