Shouldn't the prism be magical?

A strikingly beautiful woman rests nearby. She has an ageless quality that has seemingly frozen her in her early twenties. She has long blonde hair that falls in waves over a voluptuous form that any woman would be envious of. She's clothed in the best imported fineries and seems well aware of her position in the world. She is both feared and revered, but she has given much to magic and its practice. She is a master of all magics, a member of all guilds, both known and unknown to mortal man. The Archmage of the Tower of Sorcery is in perfect health. the Archmage of the Tower of Sorcery is using: (Glowing) a multi-faceted prism iridescent robes of the finest silk (Glowing) a glyph of major warding