Liber Ingenium is a Pathfinder Role Playing Game supplement. It is a collection of 49 more player character abilities. This supplement allows for more than the six core abilities (Str, Int, Wis, Dex, Con, Chr). The 25 Additional Abilities and 24 Sub-Abilities give the player innumerable options and combinations of abilities. Allow your characters to be fully developed with the addition of additional abilities and sub-abilities that allow your character to diversify and to develop into a completely unique character with tailored abilities that allow you to get the most out of your character development choices. These optional abilities are added as your character advances. Mix and match abilities beyond the six core abilities, and create an completely original profile.