This spell affects the duration of certain other spells, making the duration permanent. The spells upon which a personal permanency will be effective are: comprehend languages protection from evil detect evil protection from normal missiles detect invisibility read magic detect magic tongues infravision unseen servant The magic-user casts the desired spell and then follows with the permanency spell. Each permanency spell lowers the magic-user’s constitution by 1 point. The magic-user cannot cast these spells upon other creatures. In addition to personal use, the permanency spell can be used to make the following object/ creature or area effect spells lasting: enlarge prismatic sphere fear stinking cloud gust of wind wall of fire invisibility wall of force magic mouth web The former application of permanency can be dispelled only by a magic-user of greater level than the spell caster was when he or she initially cast it. The permanency application to other spells allows it to be cast simultaneously with any of the latter when no living creature is the target, but the permanency can be dispelled normally, and thus the entire spell negated.