Dragon's Breath (8th Level Spell)Equipment 18
Source Pathfinder Lost Omens: The Grand Bazaar
Price 24,000 gp
Weight negligible
This rune depicts a specific type of dragon, resizing after application to fit the surface of the item.
Activate 
envision (metamagic)
Requirements You're receiving a bonus to AC from your dragon's breath cape or shield
Effect If your next action is to Cast a Spell with an area of effect that deals the same type of damage as the depicted dragon's breath weapon, the spell gains the effects of the Widen Spell feat. The rune can only affect spells of 8th level or lower.
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.
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.
TransmutationEffects and magic items with this trait are associated with the transmutation school of magic, typically changing something's form.