On 2nd of May, 2022 a Forge of Empire Archaeology event is starting. You will have time until 22nd of May, 2022 to solve all quests. This event reward is Butterfly Sanctuary Set with main building Butterfly House (3×4). It is 5-level upgradeable building with other 6 buildings placable around Butterfly House.
Forge of Empires Archaeology Event 2022 quest line and tips
