Instead of increasing Attack like other weapons, books can improve the Librarian's spells or give effects in battle.
There are a total of 14 books in the game. All of them are rewards for completing bonus challenges.
List of Books Edit
|Shock Lightning||Lightning shocks enemies, with a 50% chance to paralyze them briefly. [Also triples the cost of Lightning, and quintuples its cooldown time.]||Perfect Challenge 1|
|Furious Start||Newly summoned defenders have frenzy.||Perfect Challenge 2|
|Light of Judgement||Casting Heal also applies BLIND to all enemies. [Also doubles the cost of Heal and its cooldown time]||Perfect Challenge 3|
|Slow Start||Newly spawned enemies are slowed temporarily.||Reach Wave 50 on Endless 1|
|Crystal Patch||Azra begins the level surrounded by several crystals.||Perfect Challenge 4|
|Explosive Start||Summoning and boosting defenders causes a small explosion.||Perfect Challenge 5|
|Book of Daring||Defenders cannot be re-summoned once defeated or recalled in battle.||Reach Wave 65 on Endless 2|
List of New Game+ Books Edit
|Chain Lightning||Lightning strikes 1 additional target with diminishing power for each skill point in Lightning. [Also triples the cost of Lightning, and quintuples its cooldown time.]||Perfect Challenge 1|
|Furious End||Defenders below 25% health gain frenzy.||Perfect Challenge 2|
|Light of Glory||Casting Heal also applies LIGHT to all enemies. [Also triples the cost of Heal, and doubles its cooldown.]||Perfect Challenge 3|
|Slow End||Enemies within slow down as they approach Azra.||Reach Wave 50 on Endless 1|
|Psi Shield||Enemies that hit Azra deduct Psi instead of HP. Less Psi is lost for every point spent on the Crystal spell.||Perfect Challenge 4|
|Explosive End||A small explosion goes off when a defender is defeated.||Perfect Challenge 5|
|Book of Silence||Azra cannot cast spells in battle.||Reach Wave 65 on Endless 2|
List of Special BooksEdit
|Book of Secrets||Gives access to a secret area and indicates where to look at hints for using it. Check Book of Secrets for the spoilers on deciphering.|
|Book of Face||Every enemy randomly updates their "status" with faces. Quite strange. Only works on EXTREME challenges. (Affects enemy speed (may affect other stats))|
|Anonymous Book||Every defender becomes anonymous, always hitting TROLLS for 2x damage and increasing dodge chance by 3%. Only works on EXTREME challenges.|
These books are obtained from the title page.
List of Secret BooksEdit
|Book of Synergy||Ice, fire and water wont cancel each other. Makes enemies release 15% less PSI and makes spells cost 15% more.|
|Book of Blood||Every defender and enemy, excluding bosses and including Azra, are bleeded permanently.
NOTE: Temporary bleed can be applied the same time as this effect, as they are different.
|Book of Plagues||Every defender and enemy, excluding bosses and Azra, are poisoned permanently.
NOTE: Temporary poison can be applied the same time as this effect, as they are different.
|Valley of the Forgotten||This book has no magical powers, but is instead an autobiography. It tells the story of a young Ashani librarian who survives an epidemic only to find herself trapped in a plague colony. It is written in the form of a journal, with many illustrations drawn with improvised materials such as charcoal, tea, plant extracts, and blood.|
These books are hidden behind layers of ciphers... You must use the Book of Secrets to know where to look for hints on how to find the skulls needed to buy these.If you want hints and spoilers, check Here. The hints and spoilers are hidden, so you may go there without being spoiled and view them as you like and need.