It's an epic battle for Tir Na Nóg in this finale, as King Elatha has opened its Causeways and both Fomorian and Dé Denann creatures are spilling into our own realm! Batman must go back to Gotham City to try to close the Causeways from the inside, while Wonder Woman will fight alongside King Elatha against his once-banished brother, Balor Evil Eye! Who will take the crown and rule Tir Na Nóg for eternity?