Twelfth Blade (5e Equipment)

Weapon (any sword), uncommon

This sword has a gem embedded into the hilt fashioned into a dodecahedron. It shines with an intense cyan glow when its hidden power is unleashed.

Twelfth Strength. This weapon deals critical hits on rolls of 12 instead of 20. In addition, it also deals a critical hit if the total sum of the attack roll (including modifiers) adds up to 12.