+1/+2/+3 Wyrmstone Necklace

While attuned to this item, you gain a +1/+2/+3 bonus to the spell attack modifier and spell save DCs of your dragon spells.
While you wear this necklace, you can use your Breath Weapon feature without expending one of the feature's uses. Once this property is used, it can't be used again until the next dawn.

Price: same as the rest of the magic foci (RotPK on Sane Magical Prices) Crafting Time (Everforge): 5 (+1)/9 (+2)/15 (+3) days

Rarity

Wondrous Item, Uncommon (+1)/Rare (+2)/Very Rare (+3) (Requires attunement by a dragon)