SerratingEquipment 10
Source Pathfinder Lost Omens: Character Guide
Price 1,000 gp
Weight negligible
A serrating weapon's bladed edge separates into jagged, swirling shards that spin along the blade. When dealing slashing damage, the weapon deals an additional 1d4 damage.
Activate 
Interact
Effect You brandish the weapon and focus its power, causing the serrated shards to buzz as they spin at a dizzying speed. On your next hit with the weapon this turn that deals slashing damage, the serrating rune adds an additional 1d12 damage instead of the additional 1d4 damage, and then the shards return to their usual speed.
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
EvocationEffects and magic items with this trait are associated with the evocation school of magic, typically involving energy and elemental forces.
MagicalSomething with the magical trait is imbued with magical energies not tied to a specific tradition of magic. A magical item radiates a magic aura infused with its dominant school of magic. Some items or effects are closely tied to a particular tradition of magic. In these cases, the item has the arcane, divine, occult, or primal trait instead of the magical trait. Any of these traits indicate that the item is magical.