Know Stone

Wondrous item, artifact (requires attunement)

Roughly the size of an apple, this intelligent liquid crystal is said to be a droplet from the pool of wisdom in which the eye of Odin floats. The stone is capable of solving the most complex of calculations with the greatest of ease. When set to a task, the Know Stone continues its work until relieved of its duty or until it is set to a new task.

Sentience. The Know stone is neutral and has an Intelligence of 19, a Wisdom of 19, and a Charisma of 10 It speaks Auran, Common, Abyssal, Ignan, Infernal, and Terran and has telepathy 100 feet, darkvision 120 feet, blindsense, and hearing. While you carry the stone:

• You gain a +4 bonus to Intelligence and Wisdom.
• You can use the following, each once per day, as spell-like abilities: clairvoyance (unlimited range), legend lore, time stop.
• You may ask one question of the Know Stone per day as a commune spell. You must make a DC 16 Constitution saving throw each time you use one of the Know Stone’s powers. On a failed save, you age one year and lose1 ability point chosen randomly.

Those viewing the Know Stone must make a DC 18 Wisdom saving throw or be fascinated by its beauty, unable to tear their eyes from it and unable to move from its presence. The fascination is broken if they are attacked or threatened. A creature that makes its save cannot be fascinated by the Know Stone for one day.

The stone protects itself by attempting to mentally disintegrate anyone who would attempt to possess it unless they defeat its ego by making a successful DC 18 Charisma check. The creature being disintegrated must succeed on a DC 18 Charisma saving throw or take 75 (10d6 + 40) psychic damage. If this damage reduces the target to 0 hit points, it is disintegrated as its molecules fly out in an explosion doing 7 (2d6) force damage to any within 30 feet of the creature.