https://fortress-survival.com/library/post/items/tomes/ Wed, 08 Apr 2026 06:02:45 +0000 86400 https://fortress-survival.com/library/post/items/tomes/techtree-manual-gods-knowledge-r332 Name: Techtree Manual: God's Knowledge
Type: Power-Up
Cost: 800 Books
 
Active Abilities:
Learn God's Knowledge - Upgrade Mithril Wall and Extortion Field Wall once more.
 
Description: Upon reading this manual, you will be able to upgrade Mithril Wall and Extortion Field Wall once more.  This manual is destroyed after use.
 ]]> Thu, 30 May 2013 23:47:42 +0000 28e209b61a52482a0ae1cb9f5959c792 https://fortress-survival.com/library/post/items/tomes/techtree-manual-robotics-r331 Name: Techtree Manual: Robotics
Type: Power-Up
Cost: 600 Books
 
Active Abilities:
Learn Robotics - Upgrade Legendary Technician and Master Repair Bot once more.
 
Description: Upon reading this manual, you will be able to upgrade Legendary Technician and Master Repair Bot once more.  This manual is destroyed after use.
 ]]> Thu, 30 May 2013 23:42:02 +0000 e077e1a544eec4f0307cf5c3c721d944 https://fortress-survival.com/library/post/items/tomes/techtree-manual-holy-blessing-r274 Name: Techtree Manual: Holy Blessing
Type: Power-Up
Cost: 400 Books
 
Active Abilities:
Learn Holy Blessing - Upgrade Gallant Statue and Valiant Statue once more.
 
Description: Upon reading this manual, you will be able to upgrade Gallant and Valiant Statue once more.  This manual is destroyed after use.
 
 
 ]]> Wed, 15 May 2013 03:34:45 +0000 e702e51da2c0f5be4dd354bb3e295d37 https://fortress-survival.com/library/post/items/tomes/ability-manual-ion-cannon-r264 Name: Ability Manual: Ion Cannon
Type: Power-Up
Cost: 2  100 
 
Active Abilities:
Learn Ion Cannon (Replaces Laser Strike, Marine hero only)
 
Description: Upon reading this manual, the Marine hero will learn Ion Cannon in place of Laser Strike. This manual is destroyed after use. Can be purchased from Mysterious Librarian.]]> Tue, 14 May 2013 21:22:56 +0000 6c8dba7d0df1c4a79dd07646be9a26c8 https://fortress-survival.com/library/post/items/tomes/tome-of-knowledge-r145 Name: Tome of Knowledge
Type: Power-Up
Cost: 125

Active Abilities:
Permanently increases main stats by 15 and sub stats by 5.

Description: Permanently increases main stats by 15 and sub stats by 5. Can be purchased from an Item Vendor.]]> Fri, 10 May 2013 01:28:08 +0000 feab05aa91085b7a8012516bc3533958