Ancient runestones once powered a protective barrier across the Eversong border.  Many were destroyed during Arthas' attack; others were stolen.$B$BOf the three that remain, only this one has retained its powers.  The runestone to the east might be salvageable, though.$B$BTake this crystal and instill its energy on the Eastern Runestone.  The process should take but a minute.  Beware though, nearby Scourge will be drawn to it and will seek to destroy it.  Do not let them! 