Tower of Doom/Magical Artifacts

All item names are conjectural, but given the fact that the color scheme of the game is randomized in the majority of adventures (or when using the Barbarian or Waif characters), some sort of item naming scheme is clearly necessary.

Grail
Using a Grail also resets your Life Force to 255.

Rosary Necklace
Using a Rosary also resets your Life Force to 255.