Tabula Rasa

Effect
Cooldown: 16 seconds 15.8% Effective (increases with higher skill)

Trivia

 * Tabula Rasa means "blank slate", which makes sense given its effect on skills. Richard Garriott's Tabula Rasa was also the name of a sci-fi/fantasy MMORPG created by Richard Garriott during his days with NCsoft, prior to starting Portalarium. The game has since been discontinued.

External Reference

 * Magic, Combat, and Crafting Skills on the Shroud of the Avatar Forums