Calling Upon the Jann (AA)

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At 5th level, sha'ir can call upon the Jann for aid protection and once each day day. Jann are lesser genies.They haunt the desert and other lonely, forlorn places, and sha'irs must be in such a location to use this ability.
A sha'ir must give a great yell for help to capture the jann's attention. The chance that a janni is located within 10 miles equals 5 percent per level of the sha'ir. (Beyond that distance, no janni will respond.) If the call fails, then no sha'ir can call upon the jann successfully in the same 10-mile radius for the next 48 hours. If a janni is within that area, it arrives within two to eight turns. No proficiency or ability check is required. Only a janni can hear the sha'ir's call up to 10 miles away; to others, it is merely a normal shout.
A single janni answers the call (though others may have heard it, too). Usually, the creature arrives by flight and is invisible. In areas of relative peace, however, a janni may ride a camel. The janni responds in a friendly fashion to the caller and any other sha'irs who are present. A janni will aid those lost in the desert, even to the point of bringing them back to its own camp, celebrating their arrival with a feast in their honor.
A summoned janni is not charmed or otherwise enchanted by a sha'ir's call. If the wizard behaves hostilely, or the sha'ir's companions similarly misbehave, the janni abandons them—only to return later with enough reinforcements to destroy those who would take advantage of a janni's hospitality. If slain, jann that are summoned or encountered as a result of this power do not provide experience points.
If a sha'ir is party to an attack on a janni after summoning it, this special ability ceases to work. All jann shun the sha'ir. Future attempts to call upon the jann automatically fail until restitution is made. To do so, the offending sha'ir must contact the jann in a more traditional fashion (seeking them out in the high desert) and then offer gifts. Usually, a large diyya, or wergild, for the slain janni plus a few magical items are enough to repair relations.
A janni that answers a sha'ir's call does not fight for the sha'ir unless the wizard is attacked. Nor does the janni act as a servant, messenger, or load-bearer. Only grudgingly does it perform actions beyond the basic giving of shelter and protection, though gifts of jewels and magic may persuade it to provide more help.
If two rival sha'irs both call upon the jann, each requesting protection from the other, the jann who arrive try to mediate between them to resolve the conflict. If such mediation fails, both jann depart, leaving the sha'irs to their fate. While jann may be rivals, they rarely battle each other over such petty things as mortals.
Jann never forget a kindness, including those which they perform for sha'irs. Each time a PC sha'ir attains level over 10th, there is a 30 percent noncumulative chance that a janni who once aided the PC reappears—and insists that the sha'ir (and allies) perform a certain quest or mission. Failing to comply is enough to destroy one's reputation in the eyes of jann, forbidding all further kindness. The mission may involve the protection of an item or person for a short time, the location of an item, or some other task with which they are encharged by greater genies. Jann never request a mission that would violate a sha'ir's natural alignment, however.