This shield can reflect certain magic attacks back at the foe. (linkshideaway.com)
(She is, we later learn, the daughter of the King of Cathay and mistress of certain magic arts, sent with the express purpose of bringing ruin upon the emperor's court.) (firstthings.com)
This plays nicely in to the gameplay of Enderal as using certain magic and potions will worsen your fever. (gamesnosh.com)