
Orb of Gravity prevents damage when falling to the next level, which is normally unavoidable.
Blue mushrooms heal you.
Orb of Life restores life fully and increases max HP.
Time doesn't pass when you turn around.
You can't relight a Torch by attacking a sconce in the dungeon.
Throwing an Orb of Data on an enemy shows health, damage, armor, and abilities. Very useful.
I just encountered a Mirrorshard with the following data:
Ogre:
This game has 16 Depth. I was so close to beating it!