Numerology Stone; squared (5e Equipment)
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Wondrous Item, artifact (requires attunement)
This square stone can exponentially modify the destructive or healing abilities of allies or completely minimalize the defenses and strengths of an enemy. A creature can only attune to so many numerology stones equal to their bonus of their highest ability score.
When a creature deals damage or restores another creature's hit points while attuned to this stone, they may square the damage or healing of the effect as a bonus action, square root the damage or healing another creature they can see receives as a reaction.
The stone can be used four times before it crumbles to dust.
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