Triple Threat Dungeon Battle

Tripe Threat Dungeon Battle was a 3-way Dungeon Battle between 5 younger and 3 older Dungeon Core.

Beforehand
On the yearly gathering of the Dungeon Cores, Aidy challenged Rokuko to a duel. It was stopped by Haku. The 2 other older Cores, Core 6, and 5 didn't like what was happening, so the situation becomes tenser as it was before. The Dark God stepped in and suggested this Dungeon Battle.

Rules

 * Completely new dungeon
 * Dungeon Point limit - 500.000
 * Not touch but destroy the Dummy Core.
 * The older cores can give advice

Conditions
If they lose: If they win:
 * the younger cores lose the dungeon because they have to give it to the older cores
 * The older cores can use the younger one as they see fit.
 * They can keep the new dungeon
 * Father gives out 2 rewards to the Cores

Notable Tactics
From Ivory Beach: From Bone Grotto: From Triple Threat Grotto:
 * Flooding tactic
 * Using the Toon Octopus' ink to rotate the floor without the other party noticing
 * Using 200.000DP on Gatcha, as Rokuko's Luck is insane and she pulled 2.000.000DP worth monsters and items
 * Reverse Tower Tactic - The Bottom Floor is the starting point
 * Mobile Dungeon Core Tactic
 * Buying the same type of monsters like the other two making them fight each other
 * Orichalcum Wires
 * Giant Rolling Balls
 * Using the DP to buy the Indestructible trait to her Magic Blade form
 * Using Summon Skeleton as it doesn't take DP
 * Using the remaining DP to adapt to the attacking force
 * Mobile Dungeon Core Tactic
 * Buying to Living Armor, that both Aidy and her Master can use individually.
 * Monster Rush would have been good but Keima's Flooding rendered it useless

Winner and Rewards
The Winners were the Human Empire Team or Ivory Beach.
 * Making the name Haku Laverio and Rokuko Labyrinthart official names, and granting all of the Dungeon Cores the same last name.
 * Father made Magic Blade, and another prize that was a secret from Keima and Rokuko for Haku
 * One part of the Divine Beddings the {Divine Futon} for Rokuko
 * Ultra Skill: Ultra Transformation and an orichalcum blade for Keima