Aeonic Summon Shield

You bring out an aeons inner strength and enhance their defensive capabilities. The targeted aeon's AC increases by 10. In return when the aeon has disadvantage on all attack rolls and their overdrive is disabled. This only effects the following summons Carbuncle, Valefor, Ifrit, Ixion, Shiva, Leviathan, Alexander, Anima, Bahamut, and Ragnarok.

At Higher Levels. This spell gains the additional abilities when you reach 5th level the aeons recieves half damage recieved to it, 11th level the aeon would retain 1 hp if an attack or spell would reduce it to 0 hp, and 17th level the targeted aeon gains AC to the amount of AC its summoner has.