Quote Originally Posted by Kalbron View Post
Not to mention you need to steal/obtain the gem from the Epic level Lich to even find out the word.
Genre. Conventions.

Ask Sauron, all that had to happen was "to lose that uber-power ring that contained his own essence". How are the chances for that?
Reason and Probability have no chance as soon as genre-conventions start to play a role. Makeing the thing summonable is a free ticket to the good guys to (ab)use that effect in some (improbable) way...