Restore one of each of the common Legion artifacts:
Imp's Cup
Malformed Abyssal
Houndstooth Hauberk
Inert Leystone Charm
Pre-War Highborne Tapestry
Trailhead Drum
Hand-Smoothed Pyrestone
Stonewood Bow
Flayed-Skin Chronicle
Orb of Inner Chaos
Violetglass Vessel
Quietwine Vial
Nobleman's Letter Opener
Moosebone Fish-Hook
Drogbar Gem-Roller