# 21. Forest of Steel Armor

Forest of Steel Armor — Extreme〜Brutal / Wood・Water

<https://mahjongmonsters.games.pocosoft.jp/guide/en/dungeons/d21.html>

## What to bring

Enemy elements are spread out, so a deck covering all 4 elements runs into fewer bad matchups.

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

## Drops

- Item drops: Fusion Powder (L)・Sacred Orb・Jade Treasure・Family materials ×2
- Monster rarity odds: Common 1 : Uncommon 4 : Rare 80 : Epic 15

## Stages

| Stage | Name | Difficulty | Tiles | Battles |
|---|---|---|---|---|
| 21-1 | Forest of Steel Armor Floor 1 | Extreme | 100 | 3 |
| 21-2 | Forest of Steel Armor Floor 2 | Extreme | 104 | 3 |
| 21-3 | Forest of Steel Armor Floor 3 | Extreme | 106 | 3 |
| 21-4 | Guardian of the Steel Armor (Room 1) (Mid-Boss) | Brutal | 110 | 4 |
| 21-5 | Forest of Steel Armor Floor 5 | Extreme | 112 | 4 |
| 21-6 | Forest of Steel Armor Floor 6 | Extreme | 116 | 4 |
| 21-7 | Forest of Steel Armor Floor 7 | Extreme | 118 | 4 |
| 21-8 | Guardian of the Steel Armor (Room 2) (Mid-Boss) | Brutal | 120 | 5 |
| 21-9 | Forest of Steel Armor Floor 9 | Extreme | 124 | 5 |
| 21-10 | Lord of the Steel Armor (Boss) | Brutal | 126 | 5 |

### 21-1 Forest of Steel Armor Floor 1

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Treehorn Giant Beetle, Crimson Wing](../monsters/treehorn_kabuto_fire.html) | Wood | 16819 | 313 | — |
| [Flamehorn Beetle, Azure Wing](../monsters/flamehorn_kabuto_water.html) | Fire | 16819 | 313 | — |
| [Treehorn Giant Beetle, Crimson Wing](../monsters/treehorn_kabuto_fire.html) | Wood | 33637 | 313 | Floor boss |

### 21-2 Forest of Steel Armor Floor 2

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Flamehorn Beetle, Azure Wing](../monsters/flamehorn_kabuto_water.html) | Fire | 17492 | 313 | — |
| [Frostjaw Stag Beetle, Jade Wing](../monsters/frostjaw_stag_wood.html) | Water | 17492 | 313 | — |
| [Flamehorn Beetle, Azure Wing](../monsters/flamehorn_kabuto_water.html) | Fire | 34983 | 313 | Floor boss |

### 21-3 Forest of Steel Armor Floor 3

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Frostjaw Stag Beetle, Jade Wing](../monsters/frostjaw_stag_wood.html) | Water | 17828 | 313 | — |
| [Flamehorn Beetle, Violet Wing](../monsters/flamehorn_kabuto_hume.html) | Fire | 17828 | 313 | — |
| [Frostjaw Stag Beetle, Jade Wing](../monsters/frostjaw_stag_wood.html) | Water | 35656 | 313 | Floor boss |

### 21-4 Guardian of the Steel Armor (Room 1) (Mid-Boss)

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Flamehorn Beetle, Violet Wing](../monsters/flamehorn_kabuto_hume.html) | Fire | 14231 | 235 | — |
| [Frostjaw Stag Beetle, Violet Wing](../monsters/frostjaw_stag_hume.html) | Water | 14231 | 235 | — |
| [Treehorn Giant Beetle, Violet Wing](../monsters/treehorn_kabuto_hume.html) | Wood | 14231 | 235 | — |
| [Wood Beetle King, Crimson Wing](../monsters/wood_beetle_king_fire.html) | Wood | 31309 | 235 | Mid-boss |

### 21-5 Forest of Steel Armor Floor 5

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Frostjaw Stag Beetle, Violet Wing](../monsters/frostjaw_stag_hume.html) | Water | 15070 | 313 | — |
| [Treehorn Giant Beetle, Violet Wing](../monsters/treehorn_kabuto_hume.html) | Wood | 15070 | 313 | — |
| [Treehorn Giant Beetle, Crimson Wing](../monsters/treehorn_kabuto_fire.html) | Wood | 15070 | 313 | — |
| [Frostjaw Stag Beetle, Violet Wing](../monsters/frostjaw_stag_hume.html) | Water | 30139 | 313 | Floor boss |

### 21-6 Forest of Steel Armor Floor 6

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Treehorn Giant Beetle, Violet Wing](../monsters/treehorn_kabuto_hume.html) | Wood | 15608 | 313 | — |
| [Treehorn Giant Beetle, Crimson Wing](../monsters/treehorn_kabuto_fire.html) | Wood | 15608 | 313 | — |
| [Flamehorn Beetle, Azure Wing](../monsters/flamehorn_kabuto_water.html) | Fire | 15608 | 313 | — |
| [Treehorn Giant Beetle, Violet Wing](../monsters/treehorn_kabuto_hume.html) | Wood | 31216 | 313 | Floor boss |

### 21-7 Forest of Steel Armor Floor 7

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Treehorn Giant Beetle, Crimson Wing](../monsters/treehorn_kabuto_fire.html) | Wood | 15877 | 313 | — |
| [Flamehorn Beetle, Azure Wing](../monsters/flamehorn_kabuto_water.html) | Fire | 15877 | 313 | — |
| [Frostjaw Stag Beetle, Jade Wing](../monsters/frostjaw_stag_wood.html) | Water | 15877 | 313 | — |
| [Treehorn Giant Beetle, Crimson Wing](../monsters/treehorn_kabuto_fire.html) | Wood | 31754 | 313 | Floor boss |

### 21-8 Guardian of the Steel Armor (Room 2) (Mid-Boss)

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Flamehorn Beetle, Azure Wing](../monsters/flamehorn_kabuto_water.html) | Fire | 13021 | 235 | — |
| [Frostjaw Stag Beetle, Jade Wing](../monsters/frostjaw_stag_wood.html) | Water | 13021 | 235 | — |
| [Flamehorn Beetle, Violet Wing](../monsters/flamehorn_kabuto_hume.html) | Fire | 13021 | 235 | — |
| [Frostjaw Stag Beetle, Violet Wing](../monsters/frostjaw_stag_hume.html) | Water | 13021 | 235 | — |
| [Wood Beetle King, Crimson Wing](../monsters/wood_beetle_king_fire.html) | Wood | 28646 | 235 | Mid-boss |

### 21-9 Forest of Steel Armor Floor 9

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Frostjaw Stag Beetle, Jade Wing](../monsters/frostjaw_stag_wood.html) | Water | 13904 | 313 | — |
| [Flamehorn Beetle, Violet Wing](../monsters/flamehorn_kabuto_hume.html) | Fire | 13904 | 313 | — |
| [Frostjaw Stag Beetle, Violet Wing](../monsters/frostjaw_stag_hume.html) | Water | 13904 | 313 | — |
| [Treehorn Giant Beetle, Violet Wing](../monsters/treehorn_kabuto_hume.html) | Wood | 13904 | 313 | — |
| [Frostjaw Stag Beetle, Jade Wing](../monsters/frostjaw_stag_wood.html) | Water | 27807 | 313 | Floor boss |

### 21-10 Lord of the Steel Armor (Boss)

| Enemy | Element | HP | Attack | Rank |
|---|---|---|---|---|
| [Flamehorn Beetle, Violet Wing](../monsters/flamehorn_kabuto_hume.html) | Fire | 13608 | 157 | — |
| [Frostjaw Stag Beetle, Violet Wing](../monsters/frostjaw_stag_hume.html) | Water | 13608 | 157 | — |
| [Treehorn Giant Beetle, Violet Wing](../monsters/treehorn_kabuto_hume.html) | Wood | 13608 | 157 | — |
| [Treehorn Giant Beetle, Crimson Wing](../monsters/treehorn_kabuto_fire.html) | Wood | 13608 | 157 | — |
| [Wood Beetle King, Crimson Wing](../monsters/wood_beetle_king_fire.html) | Wood | 34020 | 157 | 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.