Armor Potency Rune

Armor Potency

White, Magic, Abjuration, Rune 5+

• Usage etched onto armor

Magic wards deflect attacks. Increase the armor’s item bonus to AC by 1. The armor can be etched with one property rune.
You can upgrade the armor potency rune already etched on a suit of armor to a stronger version, increasing the values of the existing rune to those of the new rune. You must have the formula of the stronger rune to do so, and the Price of the upgrade is the difference between the two runes’ Prices.

Armor Potency (+1)

Item 5

Price 160 gp
Craft Requirements You are an expert in Crafting.

Armor Potency (+2)

Item 11

Price 1,060 gp
Increase the armor’s item bonus to AC by 2, and the armor can be etched with two property runes.
Craft Requirements You are a master in Crafting.

Armor Potency (+3)

Item 18

Price 20,560 gp
Increase the armor’s item bonus to AC by 3, and the armor can be etched with three property runes.
Craft Requirements You are legendary in Crafting.

— Core Rulebook pg. 581 2.0