4th level of the "Dragon Boat Invasion" Invasion Event.
Each new Fleur-de-lis you win in this level earns you a reward from this chest! (Items in parentheses are predefined and not random.)
||Card (Bear Trap)
||Card (Slippers of Swiftness)
||Card (Healing Spring)
Please check this link for detailed discussion on this level. If you have problems winning other levels, try searching around the forum to find instructions!