Yogg Saron Event Task #1: No Halftime - Plaguemaw the Rotting only 3 Mercs (Hearthstone Mercenaries)
Yogg-Saron Event Task #7 Perfectly Calculated Use Oh My Yogg ability and win Hearthstone Mercenaries
Yogg-Saron Event Task #6: Absolutely Smashed - HEROIC Coren Direbrew with only Casters (Mercenaries)
Yogg-Saron Event Task #3: Sacred Groove - Snowclaw without destroying Totems Hearthstone Mercenaries