Conditions to guarantee a Mars Saber (Durability).

1.Player must open at least 500 random boxes. (In case of the player doesn't receive Mars Saber Durability yet.)

2.The system will record the player information referred from the player who completing the purchase since Monday to Sunday of each week.

3.The system will send a Mars Saber (Durability) to the inventory for the player who get the guarantee in every server maintenance day.