A dwarf miner once found purple-ish crystals while working saying to have been called by them.
The origin of this weapon is unknown but its story is only on bad rumors and bad ended adventures
Cursed Crystal: this item can be found as a +1, +2 or +3 weapon (see below). You gain a corresponding bonus on every attack and damage roll made with this weapon.
Runes of Demise: Can be used ad spell focus while attuned. When attuned the character may cast spells even in Rage or under the Silence spell however somatic and material components of casted spells are still needed. While is possible to cast spells when in Rage using this weapon, Rage itself still interrupts or prevents Concentration effects.
Turn to Dust: the Axe has up to 3 charges and recovers all its charges every dawn. As an Action the character can spend 1 charge and speak the command word "Crumble" to turn inorganic matters in a radius of 5 feet from a point touched by the Axe into sand. Carried or Magic Items and Construct type creatures are unaffected by this ability.
Curse of Addiction: once attuned to this Axe the character cannot ends the attunement and is forcibly compelled to use at least once a day its 'Turn to Dust' ability. The attunement to this item can be ended after receiving a Greater Restoration spell or similar effects.
Curse of Devoured Soul: If a character dies while attuned to this weapon their soul will be eaten by the Axe and it will gain a +1 Bonus as a Magic Weapon (max of +3) If this happens the character can't be resurrected by any means and their body turns to ashes while the souls gets devoured.
Proficiency with a Greataxe allows you to add your proficiency bonus to the attack roll for any attack you make with it.
This weapon has the following mastery property. To use this property, you must have a feature that lets you use it.
Cleave. If you hit a creature with a melee attack roll using this weapon, you can make a melee attack roll with the weapon against a second creature within 5 feet of the first that is also within your reach. On a hit, the second creature takes the weapon’s damage, but don’t add your ability modifier to that damage unless that modifier is negative. You can make this extra attack only once per turn.
Notes: by a Spellcaster with Strenght of 15 or higher, Damage, Combat, Cursed, Focus, Heavy, Two-Handed, Cleave
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