Explore Mystery Abyss and search for buried holy treasure.
* Click on "Abyss" in Single-player to get in.
* The character reaches lv. 21.
* Each stage has mobs of 3 different difficulties, each of which gives a 3x, 2x and 1x Star Multiplier from high to low.
* Player gets a base rating depends on the turns a battle takes.
* Stars can be redeemed for buffs.
* Each player has 3 requests to ask for aid from their friends.
* Stats of the selected friend will be applied for battle.
* Each friend can only be requested once.
* From Abyss, the player can obtain Pitchforks, which can be used in Abyss Shop to redeem equipment shards.
* Taking part in challenges every day can earn star ranking. The player may redeem Abyss Ranking Rewards by the ranking.