During the event, you have the chance to get puzzle pieces through the following methods to get a valued reward:
(For your information, following these methods does not guarantee obtaining the pieces, but there will be chances to do so.)

Method 1:  You will get a chance to obtain puzzle pieces by killing Rebel Forces and World Boss.

Method 2: If you complete training and repairing troops of level 10 or above, you will have a chance to
obtain some puzzle pieces. (the number of troops repaired at a time must be more than 5,000), (using Recruit
Order is not included). Training or repairing can be accumulated to calculate the number of completions. For
example, if you complete 10100 at a time, it will be counted as two completions
Method 3: Create and upgrade the legion, improve legion technologies, and upgrade buildings to get a chance to
obtain puzzle pieces
Method 4: You can redeem items in the Ramadan "Exchange Store" to get a chance to obtain puzzle pieces.

During the Ramadan event, you can get corresponding rewards by collecting pieces of the relic puzzle through designated events.