Second event is based on the first one, you can receive rewards according to how many times you cleared the first one (as in, days, one day cleared = 1 point):
-The 20 point reward is a random permanent pet box.
-The 25 point reward contains one of the following:
*SoD Costume Piece (Any char) Permanent.
*SoD Accessory Permanent.
*Wings (one among the available 3) Permanent.