Coffer Chaos series

"Coffer Chaos" was a recurring event in Echoes of Mana.

Synopsis
This special event allows players to slay rooms full of possessed Polter Boxes with a featured boss and collect Lucre along with various material rewards and EP.

Legacy
The Coffer Chaos events were cyclical until October 2022, at which point Weekly Coffer Chaos replaced them as a regular training quest.