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Black Hole offers additional stages that Guild Members can enter by using the required number of Black Keys Key earned with the daily guild missions. Completing all battles from a series rewards the player with x1 Diamond
When you die in the battle you can continue by using a diamond. Leaving battle will not restore Stamina and Black Keys.

Level-up MaterialsEdit

Gate to the Aperture - Soulstones
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
280i Fields of Water Soulstones SI016 10 3 5 350 35
281i Fields of Fire Soulstones SI017 10 3 5 350 35
282i Fields of Earth Soulstones SI018 10 3 5 350 35
283i Fields of Light Soulstones SI019 10 3 5 350 35
284i Fields of Dark Soulstones SI020 10 3 5 350 35
Gate to the Aperture - Purified Soulstones
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
426i Fields of Souls from Turquoise Ocean SI016 15 7 6 525 35
427i Fields of Souls from Burning Flame SI017 15 7 6 525 35
428i Fields of Souls from Verdant Nature SI018 15 7 6 525 35
398i Fields of Souls from Glaring Radiance SI019 15 7 6 525 35
291i Fields of Souls from Eerie Shade SI020 15 7 6 525 35

Skill Lv. up MaterialsEdit

Gate to the Aperture - Cerynitis
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
2128i Speed Like Arrow SI019 10 14 5 250 25
Gate to the Aperture - Mythical Creature
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1777i Worshipping the Sun SI018 10 14 5 250 25
Gate to the Aperture - Candigon
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1709i The Hallowed Creature SI017 10 14 5 250 25
Gate to the Aperture - Theriomorphous
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
292i Den of Ancient Beasts SI018 30 100 1 2500 83
Daemon Lair
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
403i Expulsion of Daemons - Water SI016 10 14 5 250 25
404i Expulsion of Daemons - Fire SI017 10 14 5 250 25
405i Expulsion of Daemons - Earth SI018 10 14 5 250 25
406i Expulsion of Daemons - Light SI019 10 14 5 250 25
407i Expulsion of Daemons - Dark SI020 10 14 5 250 25
Taboo Offerings
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
546i Curse of Taboo - Water SI016 10 14 5 250 25
547i Curse of Taboo - Fire SI017 10 14 5 250 25
548i Curse of Taboo - Earth SI018 10 14 5 250 25
549i Curse of Taboo - Light SI019 10 14 5 250 25
550i Curse of Taboo - Dark SI020 10 14 5 250 25
Gate to the Aperture - The Loaded March
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1441i The Art of Defense SI016 10 14 5 250 25
1442i The Art of Slash SI017 10 14 5 250 25
1443i The Art of Thrust SI018 10 14 5 250 25
1444i The Art of Bugle SI019 10 14 5 250 25
1445i The Art of Archery SI020 10 14 5 250 25
Unlawful Assembly
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1566i Underworld Conflicts - Water SI016 10 14 5 250 25
1567i Underworld Conflicts - Fire SI017 10 14 5 250 25
1568i Underworld Conflicts - Earth SI018 10 14 5 250 25
1569i Underworld Conflicts - Light SI019 10 14 5 250 25
1570i Underworld Conflicts - Dark SI020 10 14 5 250 25
Gate to the Aperture - Loyal Maids
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
2077i Properties of Beauties - Golden Boy SI019 10 14 5 250 25
2078i Properties of Beauties - Jade Maiden SI020 10 14 5 250 25
Gate to the Aperture - Battlefields
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
585i Battles in Wonderland AllAtt 10 7 5 525 53
834i Barracks of Heaven AllAtt 10 7 5 525 53
971i Altar of Missionaries AllAtt 10 7 5 525 53
1271i The Imperial Troop AllAtt 10 7 5 250 25
1013i Vicious Mini Party AllAtt 10 7 5 250 25
1445i Castle Guards AllAtt 10 7 5 250 25
1502i Puppetdom Cave AllAtt 10 7 5 250 25
871i Attack on Iron Riders AllAtt 10 7 5 250 25
1570i Throng of Rogues AllAtt 10 7 5 250 25
549i Pagan Rituals AllAtt 10 7 5 250 25

Evolve MaterialsEdit

Gate to the Aperture - Materials
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
256i Untrodden Fields of Water SI016 10 7 5 350 35
257i Untrodden Fields of Fire SI017 10 7 5 350 35
258i Untrodden Fields of Earth SI018 10 7 5 350 35
259i Untrodden Fields of Light SI019 10 7 5 350 35
260i Untrodden Fields of Dark SI020 10 7 5 350 35
Gate to the Aperture - Beasts
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1660i The Mech Lab SI019 10 14 1 350 35
266i Territory of Magical Swords SI017 10 7 5 350 35
269i Home of the Peculiar SI018 10 7 5 350 35
263i Crystal Glacier SI016 10 7 5 350 35
387i A Midnight's Dream SI020 10 7 5 350 35
Gate to the Aperture - Astralists
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
379i Palace of Astralists - Water SI016SI019 15 10 4 350 23
380i Palace of Astralists - Fire SI017SI019 15 10 4 350 23
381i Palace of Astralists - Earth SI018SI019 15 10 4 350 23
382i Palace of Astralists - Light SI019 15 10 4 350 23
383i Palace of Astralists - Dark SI019SI020 15 10 4 350 23
675i Palace of Astralists - Spirit of Songs SI019SI020 15 10 2 350 23
Gate of Riddles
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
505i Praying for Eternal Verdict SI017 30 50 1 2500 83
504i Entreat for Succour of Sprite SI020 30 50 1 2500 83
503i Crave for Primitive Force SI016 30 50 1 2500 83
502i Worship of Divine Beasts SI018 30 50 1 2500 83
430i Pray for Ultimate Triumph SI019 30 50 1 2500 83
429i Shrine of Potency SI019 30 50 1 2500 83
Gate to the Aperture - Shedu
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1999i Half-Human Half-Beast SI016 30 120 1 0 0
Gate of Riddles - Maturation
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1494i Pray for the Protective Heart SI019 30 25 1 0 0

Coins/SoulsEdit

Gate to the Aperture - Treasury
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
515i Day of Greed SI016SI017SI018SI020 15 5 5 525 35
514i Day of Gold SI016SI017SI018SI019 15 5 5 525 35
Gate to the Aperture - Souls
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
578i Search of Souls - Advanced SI016SI017SI020 15 10 5 525 35
577i Search of Souls - Basic SI016SI017SI020 15 5 5 525 35

Special StagesEdit

Opportunity of Rebirth
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
800i The Key to Rebirth AllAtt 40 3 3 350 9
Mysteries of Growth
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
400i The Key to Evolution AllAtt 40 50 3 350 9

Closed StagesEdit

Gate to the Aperture - Pigmon
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
2170i United against Evil SI018 10 14 5 250 25
Gate to the Aperture - Baby Harpy
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
617i Fleeting Bird AllAtt 5 6 2 400 80
Gate to the Aperture - Alchemy Fruit
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1735i Crystal-like Fruit SI016 10 14 5 250 25
Gate to the Aperture - Puu the Spirit Beast
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1801i Love & Nurture SI016 10 14 5 250 25
Gate to the Aperture - The General's Order
Boss Name Attribute Stamina Keys Rounds Exp Exp/Stm
1271i The Volunteer Force - Water SI016 10 14 5 250 25
1272i The Volunteer Force - Fire SI017 10 14 5 250 25
1273i The Volunteer Force - Earth SI018 10 14 5 250 25
1274i The Volunteer Force - Light SI019 10 14 5 250 25
1275i The Volunteer Force - Dark SI020 10 14 5 250 25
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