Greater Cognatogen — Intelligence and Charisma

A greater cognatogen that gives the alchemist a +6 alchemical bonus to Intelligence, a +4 alchemical bonus to Charisma, and a +4 natural armor bonus. The alchemist takes a –2 penalty to Constitution and Strength as long as the cognatogen persists, and takes 2 points of ability damage to Constitution and Strength when the cognatogen ends.