The Promise of the Volcano, the first major expansion for Anno 117: Pax Romanawill be released on April 23, 2026.
The expansion centers on Cinis, the largest island ever featured in the history of Anno. It is home toa gigantic volcano that threatens to erupt at any momentand thus presents players with new strategic challenges. There is also a new deity, the new resource obsidian (volcanic glass), and the merchant Ceacilia. But see for yourself.