> For the complete documentation index, see [llms.txt](https://shedever-studio.gitbook.io/chess-zombies-wpeng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://shedever-studio.gitbook.io/chess-zombies-wpeng/structures/military/temple/library.md).

# Library

In the Library, experienced Bishops keep Spellbooks. Books help Bishops not to forget important spells and use them in time in battle.

### Level 1 Library:

#### What is required for construction:

* [Temple](/chess-zombies-wpeng/structures/military/temple.md) Level 1
* 3750 Energy, 75 Wood, 22 Ore and 30 Iron, 5 small Sapphires.
* Construction time: 8 hours.
* Upgrade speed up cost (instant upgrade completion): 1875 Energy, 2 small Sapphires.

#### What gives:

* [Craft](/chess-zombies-wpeng/ammunition/general-info/craft.md)/[Disassemble](/chess-zombies-wpeng/gameplay/rpg/resources/ammunition-disassemble.md): common [Spellbooks](/chess-zombies-wpeng/ammunition/ammunition-types/class/spellbooks.md).
* Unlocks the ability to build a Level 2 Library.

### Level 2 Library:

#### What is required for construction:

* [Temple](/chess-zombies-wpeng/structures/military/temple.md) Level 2
* 7500 Energy, 150 Wood, 45 Ore and 60 Iron, 5 medium Sapphires.
* Construction time: 16 hours.
* Upgrade speed up cost: 3750 Energy, 2 medium Sapphires.

#### What gives:

* [Craft](/chess-zombies-wpeng/ammunition/general-info/craft.md)/[Disassemble](/chess-zombies-wpeng/gameplay/rpg/resources/ammunition-disassemble.md): rare [Spellbooks](/chess-zombies-wpeng/ammunition/ammunition-types/class/spellbooks.md).
* Unlocks the ability to build a Level 3 Library.

### Level 3 Library:

#### What is required for construction:

* [Temple](/chess-zombies-wpeng/structures/military/temple.md) Level 3
* 15000 Energy, 300 Wood, 90 Ore and 120 Iron, 5 big Sapphires.
* Construction time: 32 hours.
* Upgrade speed up cost: 7500 Energy, 2 big Sapphires.

#### What gives:

* [Craft](/chess-zombies-wpeng/ammunition/general-info/craft.md)/[Disassemble](/chess-zombies-wpeng/gameplay/rpg/resources/ammunition-disassemble.md): super rare [Spellbooks](/chess-zombies-wpeng/ammunition/ammunition-types/class/spellbooks.md).
* Unlocks the ability to build a Level 4 Library.

### Level 4 Library:

#### What is required for construction:

* [Temple](/chess-zombies-wpeng/structures/military/temple.md) Level 4
* 30000 Energy, 600 Wood, 180 Ore and  240 Iron, 5 unique Sapphires.
* Construction time: 64 hours.
* Upgrade speed up cost: 15000 Energy, 2 unique Sapphires.

#### What gives:

* [Craft](/chess-zombies-wpeng/ammunition/general-info/craft.md)/[Disassemble](/chess-zombies-wpeng/gameplay/rpg/resources/ammunition-disassemble.md): unique [Spellbooks](/chess-zombies-wpeng/ammunition/ammunition-types/class/spellbooks.md).
* Unlocks the ability to build a Level 5 Library.

### Level 5 Library:

#### What is required for construction:

* [Temple](/chess-zombies-wpeng/structures/military/temple.md) Level 5
* 60000 Energy, 1200 Wood, 360 Ore and 480 Iron, 5 legendary Sapphires.
* Construction time: 128 hours.
* Upgrade speed up cost: 30000 Energy, 2 legendary Sapphires.

#### What gives:

* [Craft](/chess-zombies-wpeng/ammunition/general-info/craft.md)/[Disassemble](/chess-zombies-wpeng/gameplay/rpg/resources/ammunition-disassemble.md): epic [Spellbooks](/chess-zombies-wpeng/ammunition/ammunition-types/class/spellbooks.md).