Boardgamegeek https://boardgamegeek.com/boardgameexpansion/344919/seeders-sereis-exodus-tais
Anglais - The Taïs expansion puts a focus on the Deviant faction of Sereïs. It adds asymmetric gameplay, the option to play with a 5th player and 4 scenarios for Deviants. A booklet tells an episode from the life of one deviant character, Taïs.