Ally Skill Book Menu
The Ally Skill Book upgrades one of the skills of the current ally the dreamer is using. It works silimar to the Enhance Potion
Ally Skill Book
in your success rate, but has a maximum of 30 levels.

Ally skills can be trained up to lvl 21 using an ally skill book starting at 100 percent chance of success dropping all the way down to 3 percent at lvl 21 , before level 21 failures will raise the specific skill you are working on by 5 percent just like weapons. But, at lvl 21 it stays at a 3 percent chance no matter whether you fail or not. The maximum skill level for an ally skill can be raised to 30.