This ring contains from 2-8 (2d4) wish spells (q.v.). 

As with any wish, you must be very judicious in how you handle the request. 

If players are greedy and grasping, be sure to “crock” them. Interpret their wording exactly, twist the wording, or simply rule the request is beyond the power of the magic. In any case, the wish is used up, whether or not (or how) the wish was granted. 

Note that no wish is able to cancel the decrees of god-like beings, unless it comes from another such creature.