The steps are as follows collect 1 calcified fragment to get Shatter Past quest which you collect 5 more Calcified Fragments. Then once you get 15 Calcified Fragments you get the Hunger pangs first mission step which is a heroic version of The Promethean Code mission with a few more enemies. Once you collected 30 Calcified Fragments you get the second step of hunger pangs mission which is the undying mind strike with a major that spawns in during the boss fight(take friends as its not match making strike). Once you collect 45 fragments you get the last step of the hunger pangs mission which is Fears Embrace with a taken wizard that spawns when the Echo of Oryx is low on health. Then you also need to finish off the Old Hunger quest which involves killing the Warpriest, death singers and oryx(basically finish the raid). Then you need to collect wormspore , weapon parts and hadium flakes( about 25 for wormspore and weapon parts and 50 for hadium flakes). By completing all these steps gives you Touch of Malice.