A Damage Bonus was introduced during this event: Receive a Damage Bonus that increases with the amount of damage dealt to raid bosses. The Discover Reward has been removed from this event. The probablity of getting an Elite familiar by using an Event Coin to make a Grave of Heros pact has been greatly reduced. This event has also shortened the number of rounds in a battle to four player attack rounds (with three boss attack rounds) instead of the five player attack rounds (with four boss attack rounds) used in recent raid boss events. There are a number of implications from this shorter battle: