Boardgamegeek https://boardgamegeek.com/boardgameexpansion/82423/summoner-wars-fallen-kingdom-faction-deck
English - He is Ret-Talus, the Rotten King, a decayed thing over two thousand years old, and one of the most intelligent creatures ever to exist. He uses his twisted powers to dredge up the dead and force them to continue fighting. No sacrifice is too gruesome for this mad king in his quest for glory!
Ludovox http://ludovox.fr/jeu-de-societe/summoner-wars-le-royaume-dechu-6828/
French - Un jeu de Colby Dauch.