Demon Realm Voyage

Event Structure
TBD - talk about bp usage, map travel, fighting Demonwitches, and [Demon Realm Map Pieces]

Demonwitches
TBD - talk about fight structure, skill/soldier recovery, wave attacks

Hidden Lands
One of the possible drops from treasure chests when you clear a stage map is Demon Realm Map Piece. If 4 pieces of this are collected, the Stage Maps will turn into Hidden Lands stages for 30 minutes. If the time limit ended while you're in Hidden Lands, it will revert to Stage Map.

Unlike Tower Rune Time, Hidden Lands do not give increased amount of points from clearing areas. It instead turns all areas, except for the boss area, into treasure areas. Both treasure area and boss area give the highest Demonwitch hunt points possible from an area.

Areas Types
TBD - give more details on area types: enemy strengths, rewards

Boss Area
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Rewards
Rewards are given for reaching certain points as well as from clearing Stage Maps or Hidden Lands. Point rewards change each event and can be seen in the event details and ranking screens in the game.

Area Clear Rewards
Area rewards are from clearing an area within the stage map. They are given only if you clear the stage map. They include the following:
 * Demonwitch Hunt Points - used to determine Demon Realm Voyage ranking. The amount is dependent on the level of difficulty and kind of area.
 * Survival Bonus Points - additional points from finishing the area are added to the points used to determine ranking. Survival points are given only if at least one card from the first team you used to fight survived the area. The amount is dependent on the number of surviving cards.
 * 5-card survival - 20% of Demonwitch Hunt Points
 * 4-card survival - 15% of Demonwitch Hunt Points
 * 3-card survival - 10% of Demonwitch Hunt Points
 * 2-card survival - 5% of Demonwitch Hunt Points
 * 1-card survival - 0%
 * Treasure Chests - amount dependent on the kind of area.

If you retired from the stage map without clearing all areas, the treasure chests earned from clearing them are forfeited.

Stage Map Clear Rewards
Stage map clear rewards are given from clearing a stage map. This include all the Hunt Points, Survival Points, and treasure boxes from area rewards.

The rewards from the chests are random and can include the following cards and items:


 * All N cards that are available from Regular Summon.
 * R, SR, UR cards that are available from Premium Summon
 * Rare Medals
 * Awakening materials
 * Custom Skills materials
 * Demon Realm Voyage battle point refill (black feather)
 * Demon Realm Map Piece