The party must go to Rockblight where a temple of Callarduran Smoothhands stands desecrated. Gurnik Tapfinger wants the party to cleanse the area. He warns them Ogrémoch's Bane may attempt to stop them while the cleansing is in process and they will have to stand and defend it.
Upon accepting the quest, Gurnik Tapfinger gives the party a ruby containing a Hallow spell and tells the party they should put the ruby in the Steadfast Stone's menhir. This is what will begin the cleansing process.
The party placed the stone and defended the area until it was cleansed.
See Unknown for more information.