The Arkuluak Empire once expanded across the deserts beyond Calmishan back when the Yaunti ruled across the ancient world. Malison's were known to channel their focus through spears inscribed with ancient runes allowing themselves a trusted weapon and Spellcasting Focus.
The Arkuluak Spear can be used as a Spellcasting Focus.
Arkuluak Spears have been found with more or less runes across archaeological expeditions.
3 Runes : Baseline Focus
4 Runes : Cast Thaumaturgy Once Per Day
5 Runes : Cast Shillelagh Once Per Day
Proficiency with a Spear 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.
Sap. If you hit a creature with this weapon, that creature has Disadvantage on its next attack roll before the start of your next turn.
Notes: Thrown, Versatile, Sap