Stealth Ring Quest

Name: Stealth Ring Quest.
Location: Dark Pyramid
Reward: Stealth Ring, Protection Amulet.
Monsters: Minotaur, Minotaur Archer, Minotaur Guard, Minotaur Mage, Mummy.

Items needed:

Rope Shovel

Head to a place called Dark Pyramid, which is inhabited by Minotaurs:

Go down to the lowest level with the Mummy and take the rewards. The upper coffin contains the Protection Amulet, while the lower coffin contains the Stealth Ring.