# 3. Underground Cavern

Underground Cavern — Normal〜Hard / Water・Wood

<https://mahjongmonsters.games.pocosoft.jp/guide/en/dungeons/d3.html>

## What to bring

Most enemies here are Water. **Load up on Wood attack** and it goes much faster.

> Stamina is the sum of your deck's costs, so it changes when you change deck.

## Drops

- Item drops: Fusion Powder (S)・Fusion Powder (M)・Spirit Pearl・Sacred Orb・Silver Treasure・Family materials ×6
- Monster rarity odds: Common 50 : Uncommon 40 : Rare 9 : Epic 1

## Stages

| Stage | Name | Difficulty | Tiles | Battles |
|---|---|---|---|---|
| 3-1 | Underground Cavern Floor 1 | Normal | 32 | 3 |
| 3-2 | Underground Cavern Floor 2 | Normal | 34 | 3 |
| 3-3 | Underground Cavern Floor 3 | Normal | 38 | 3 |
| 3-4 | Underground Cavern Floor 4 | Normal | 40 | 4 |
| 3-5 | Gatekeeper of the Cavern (Mid-Boss) | Hard | 42 | 4 |
| 3-6 | Underground Cavern Floor 6 | Normal | 46 | 4 |
| 3-7 | Underground Cavern Floor 7 | Normal | 48 | 4 |
| 3-8 | Underground Cavern Floor 8 | Normal | 50 | 5 |
| 3-9 | Underground Cavern Floor 9 | Normal | 52 | 5 |
| 3-10 | Lord of the Underground (Boss) | Hard | 54 | 5 |

### 3-1 Underground Cavern Floor 1

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 170 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 170 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 340 | 50 | Floor boss |

### 3-2 Underground Cavern Floor 2

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 187 | 50 | — |
| [Moss Bat](../monsters/moss_bat.html) | Wood | 187 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 374 | 50 | Floor boss |

### 3-3 Underground Cavern Floor 3

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Moss Bat](../monsters/moss_bat.html) | Wood | 204 | 50 | — |
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 204 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 408 | 50 | Floor boss |

### 3-4 Underground Cavern Floor 4

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 221 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 221 | 50 | — |
| [Moss Bat](../monsters/moss_bat.html) | Wood | 221 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 442 | 50 | Floor boss |

### 3-5 Gatekeeper of the Cavern (Mid-Boss)

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 238 | 38 | — |
| [Moss Bat](../monsters/moss_bat.html) | Wood | 238 | 38 | — |
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 238 | 38 | — |
| [Surge Dragon](../monsters/surge_dragon.html) | Water | 524 | 38 | Mid-boss |

### 3-6 Underground Cavern Floor 6

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Moss Bat](../monsters/moss_bat.html) | Wood | 255 | 50 | — |
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 255 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 255 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 510 | 50 | Floor boss |

### 3-7 Underground Cavern Floor 7

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 272 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 272 | 50 | — |
| [Moss Bat](../monsters/moss_bat.html) | Wood | 272 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 544 | 50 | Floor boss |

### 3-8 Underground Cavern Floor 8

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 289 | 50 | — |
| [Moss Bat](../monsters/moss_bat.html) | Wood | 289 | 50 | — |
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 289 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 289 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 578 | 50 | Floor boss |

### 3-9 Underground Cavern Floor 9

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Moss Bat](../monsters/moss_bat.html) | Wood | 306 | 50 | — |
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 306 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 306 | 50 | — |
| [Moss Bat](../monsters/moss_bat.html) | Wood | 306 | 50 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 612 | 50 | Floor boss |

### 3-10 Lord of the Underground (Boss)

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 323 | 25 | — |
| [Aqua Goblin](../monsters/aqua_goblin.html) | Water | 323 | 25 | — |
| [Moss Bat](../monsters/moss_bat.html) | Wood | 323 | 25 | — |
| [Aqua Bat](../monsters/aqua_bat.html) | Water | 323 | 25 | — |
| [Surge Dragon](../monsters/surge_dragon.html) | Water | 1292 | 25 | Boss |

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This page is generated from the app's master data, so the numbers are the ones the game actually uses.