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The Underground Labyrinth (地底迷宮, Chitē Mēkyū, Underground Labyrinth), or The Grand Deep (グランドアビス Gurando Abisu, Grand Abyss) is a time-limited game mode that was added in Version 12.0. It is unlocked after Into the Future Chapter 3. It consists of 100 levels that the player can randomly challenge, and is one of the few sources of Dark Catseyes. Unlike most events, the Underground Labyrinth is accessed from its own button in the Main Menu, rather than being part of Legend Stages.

Overview[]

Underground Labyrinth is somewhat similar to Legend Quest, being an event map that appears on an unknown schedule for a period of time and consists of a randomly shuffled assortment of stages. While players may choose any Cat Units they want for each stage, a random selection of the player's cats become "trapped" when stages are won or lost, rendering them unusable within the Underground Labryinth for the remainder of the event. Once the event period is over, players will be ranked and receive rewards based on stage progress and units remaining, similar to the Arena of Honor.

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Mechanics[]

The player must equip 10 units before attempting any stage in the Underground Labyrinth. The enemy preview will show what enemies are in the stage rather than the usual question marks for new stages. If the player clears the stage, then a certain amount of their units will be "trapped", meaning they cannot be used on subsequent stages. There is also a 60% chance upon clearing the stage that a trapped cat unit can be "rescued"; the rescued unit can be chosen by the player and will have their trapped status removed.

If the player loses or exits the stage, then two units used will be trapped. Units trapped in this way cannot be rescued. Since the player must equip 10 units before attempting a stage, they must also swap out the trapped units. Additionally, equipped units become locked in your line-up after a stage is attempted, remaining in this state until they become trapped or the challenger can no longer progress.

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Randomization[]

Trapped Units by Layer[]

Layer Units Trapped
1 ~ 9
11 ~ 19
21 ~ 29
3 ~ 5 Each
81 ~ 135 Total
31 ~ 39
41 ~ 49
51 ~ 59
4 ~ 6 Each
108 ~ 162 Total
61 ~ 69
71 ~ 79
81 ~ 89
91 ~ 98
5 ~ 7 Each
175 ~ 245 Total
Every 10th floor and 99th floor 7 ~ 9 Each
77 ~ 99 Total
Labyrinth unit loss

Without factoring in losing or quitting stages, the number of trapped units in a complete run of the Underground Labyrinth can technically be as low as 341 (minimum traps and 100 rescues) or as high as 641 (maximum traps and 0 rescues). Realistically however, the total number of lost units will hover somewhere around 481 (average traps, 60 rescues) with higher or lower losses than this becoming exponentially less probable to the point of statistical impossibility.

List of Stages[]

Due to the difference in possible stages (113) and used stages per event (100), a total of 3 Floor 10 stages, 2 Floor 20/30 stages, 3 Floor 40/50/60 stages, 4 Floor 70/80/90/99 stages, and 1 stage between 51 ~ 98 (excluding multiples of 10) will go unused in each Underground Labyrinth.

List of Floors[]

Each stage has a drop reward as listed in the table below. The rewards drop at a 100% chance on the 99th floor and floors that are multiples of 10, and a 50% chance on all other floors.

Mapname000 l en Mapname000 l ja Drop Reward (Chance) Energy Cost
Underground B1F Chitē 1 Sō 100,000 XP (50%) 20 EnergyIcon
Underground B2F Chitē 2 Sō Catseye [Special] +1 (50%) 20 EnergyIcon
Underground B3F Chitē 3 Sō 100,000 XP (50%) 20 EnergyIcon
Underground B4F Chitē 4 Sō Catseye [Rare] +1 (50%) 20 EnergyIcon
Underground B5F Chitē 5 Sō 100,000 XP (50%) 20 EnergyIcon
Underground B6F Chitē 6 Sō Catseye [Super Rare] +1 (50%) 20 EnergyIcon
Underground B7F Chitē 7 Sō 100,000 XP (50%) 20 EnergyIcon
Underground B8F Chitē 8 Sō Catseye [Uber Rare] +1 (50%) 20 EnergyIcon
Underground B9F Chitē 9 Sō 100,000 XP (50%) 20 EnergyIcon
Underground B10F Chitē 10 Sō Catseye [Dark] +1 (100%) 200 EnergyIcon
Underground B11F Chitē 11 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B12F Chitē 12 Sō Catseye [Special] +1 (50%) 30 EnergyIcon
Underground B13F Chitē 13 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B14F Chitē 14 Sō Catseye [Rare] +1 (50%) 30 EnergyIcon
Underground B15F Chitē 15 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B16F Chitē 16 Sō Catseye [Super Rare] +1 (50%) 30 EnergyIcon
Underground B17F Chitē 17 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B18F Chitē 18 Sō Catseye [Uber Rare] +1 (50%) 30 EnergyIcon
Underground B19F Chitē 19 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B20F Chitē 20 Sō Catseye [Legend] +1 (100%) 300 EnergyIcon
Underground B21F Chitē 21 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B22F Chitē 22 Sō Catseye [Special] +1 (50%) 30 EnergyIcon
Underground B23F Chitē 23 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B24F Chitē 24 Sō Catseye [Rare] +1 (50%) 30 EnergyIcon
Underground B25F Chitē 25 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B26F Chitē 26 Sō Catseye [Super Rare] +1 (50%) 30 EnergyIcon
Underground B27F Chitē 27 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B28F Chitē 28 Sō Catseye [Uber Rare] +1 (50%) 30 EnergyIcon
Underground B29F Chitē 29 Sō 200,000 XP (50%) 30 EnergyIcon
Underground B30F Chitē 30 Sō Catseye [Legend] +1 (100%) 300 EnergyIcon
Underground B31F Chitē 31 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B32F Chitē 32 Sō Catseye [Special] +2 (50%) 40 EnergyIcon
Underground B33F Chitē 33 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B34F Chitē 34 Sō Catseye [Rare] +2 (50%) 40 EnergyIcon
Underground B35F Chitē 35 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B36F Chitē 36 Sō Catseye [Super Rare] +2 (50%) 40 EnergyIcon
Underground B37F Chitē 37 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B38F Chitē 38 Sō Catseye [Uber Rare] +2 (50%) 40 EnergyIcon
Underground B39F Chitē 39 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B40F Chitē 40 Sō Catseye [Legend] +1 (100%) 400 EnergyIcon
Underground B41F Chitē 41 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B42F Chitē 42 Sō Catseye [Special] +2 (50%) 40 EnergyIcon
Underground B43F Chitē 43 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B44F Chitē 44 Sō Catseye [Rare] +2 (50%) 40 EnergyIcon
Underground B45F Chitē 45 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B46F Chitē 46 Sō Catseye [Super Rare] +2 (50%) 40 EnergyIcon
Underground B47F Chitē 47 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B48F Chitē 48 Sō Catseye [Uber Rare] +2 (50%) 40 EnergyIcon
Underground B49F Chitē 49 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B50F Chitē 50 Sō Catseye [Dark] +1 (100%) 400 EnergyIcon
Underground B51F Chitē 51 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B52F Chitē 52 Sō Catseye [Special] +2 (50%) 40 EnergyIcon
Underground B53F Chitē 53 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B54F Chitē 54 Sō Catseye [Rare] +2 (50%) 40 EnergyIcon
Underground B55F Chitē 55 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B56F Chitē 56 Sō Catseye [Super Rare] +2 (50%) 40 EnergyIcon
Underground B57F Chitē 57 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B58F Chitē 58 Sō Catseye [Uber Rare] +2 (50%) 40 EnergyIcon
Underground B59F Chitē 59 Sō 300,000 XP (50%) 40 EnergyIcon
Underground B60F Chitē 60 Sō Catseye [Legend] +1 (100%) 400 EnergyIcon
Underground B61F Chitē 61 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B62F Chitē 62 Sō Catseye [Special] +2 (50%) 50 EnergyIcon
Underground B63F Chitē 63 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B64F Chitē 64 Sō Catseye [Rare] +2 (50%) 50 EnergyIcon
Underground B65F Chitē 65 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B66F Chitē 66 Sō Catseye [Super Rare] +2 (50%) 50 EnergyIcon
Underground B67F Chitē 67 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B68F Chitē 68 Sō Catseye [Uber Rare] +2 (50%) 50 EnergyIcon
Underground B69F Chitē 69 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B70F Chitē 70 Sō Catseye [Legend] +1 (100%) 500 EnergyIcon
Underground B71F Chitē 71 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B72F Chitē 72 Sō Catseye [Special] +2 (50%) 50 EnergyIcon
Underground B73F Chitē 73 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B74F Chitē 74 Sō Catseye [Rare] +2 (50%) 50 EnergyIcon
Underground B75F Chitē 75 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B76F Chitē 76 Sō Catseye [Super Rare] +2 (50%) 50 EnergyIcon
Underground B77F Chitē 77 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B78F Chitē 78 Sō Catseye [Uber Rare] +2 (50%) 50 EnergyIcon
Underground B79F Chitē 79 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B80F Chitē 80 Sō Catseye [Legend] +1 (100%) 500 EnergyIcon
Underground B81F Chitē 81 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B82F Chitē 82 Sō Catseye [Special] +2 (50%) 50 EnergyIcon
Underground B83F Chitē 83 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B84F Chitē 84 Sō Catseye [Rare] +2 (50%) 50 EnergyIcon
Underground B85F Chitē 85 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B86F Chitē 86 Sō Catseye [Super Rare] +2 (50%) 50 EnergyIcon
Underground B87F Chitē 87 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B88F Chitē 88 Sō Catseye [Uber Rare] +2 (50%) 50 EnergyIcon
Underground B89F Chitē 89 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B90F Chitē 90 Sō Catseye [Dark] +1 (100%) 500 EnergyIcon
Underground B91F Chitē 91 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B92F Chitē 92 Sō Catseye [Special] +2 (50%) 50 EnergyIcon
Underground B93F Chitē 93 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B94F Chitē 94 Sō Catseye [Rare] +2 (50%) 50 EnergyIcon
Underground B95F Chitē 95 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B96F Chitē 96 Sō Catseye [Super Rare] +2 (50%) 50 EnergyIcon
Underground B97F Chitē 97 Sō 500,000 XP (50%) 50 EnergyIcon
Underground B98F Chitē 98 Sō Catseye [Uber Rare] +2 (50%) 50 EnergyIcon
Underground B99F Chitē 99 Sō Catseye [Dark] +1 (100%) 500 EnergyIcon
The Deepest Depths B100F Sai shinbu 100 Sō Catseye [Dark] +3 (100%) 500 EnergyIcon

Ranking Rewards[]

Upon clearing a stage, the player will receive a certain amount of points. The goal is to maximize the points received, as these will determine rewards, similar to how in the Arena of Honor higher percentiles reap higher rewards.

Ranking Title Rewards
1~5% Platinum Medal (プラチナ勲章, Purachina Kunshō) Dark Catseye x5
6~15% Gold Medal (ゴールド勲章, Gōrudo Kunshō) Dark Catseye x4
16~25% Silver Medal (シルバー勲章, Shirubā Kunshō) Dark Catseye x3
26~35% Bronze Medal (ブロンズ勲章, Buronzu Kunshō) Dark Catseye x2
36~50% Dark Catseye x1
51~75% Legend Catseye x3
~100% Legend Catseye x1
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Gallery

The Battle Cats Wiki has a gallery for Underground Labyrinth.
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Visit this page to see it.
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First Appearance[]

Japanese Version[]

  • December 6th, 2022 to December 26th, 2022

Global Version[]

  • February 20th, 2023 to March 13th, 2023

Trivia[]

  • Most of the files for the Underground Labyrinth were added in Version 11.10, where there were 104 total stages including placeholders. Additionally, they were completely blacked out to prevent any spoilers.
    • 3 stages were later removed in Version 12.0, leaving 101 total stages as a result.
    • Version 12.2 added 11 new stages to the Labyrinth.
    • Version 12.3 added 1 new stage and the map name for 1 new floor.
  • The first music track exclusive to the Underground Labyrinth sounds similar to "Monsters in the Dungeon" (also known as "Deep Underground") from the Dragon Quest V soundtrack.
  • Grand Mage Mimon's description reveals that she is the one who traps units in the Underground Labyrinth, forcing them to listen to her long, rambling stories about her big brother.

Reference[]

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