Acquire all eight legendary talismans:
Radagon Icon: Found inside a treasure chest on the second floor of the Debate Parlor Site of Grace
Radagon’s Soreseal: Found on a corpse in Fort Faroth
Moon of Nokstella: Found in a chest underneath a massive throne in Nokstella, Eternal City
Dragoncrest Greatshield Talisman: Found in a chest near the Drainage Channel Site of Grace.
Marika’s Soreseal: Found on an altar in a room requiring a Stonesword Key in Elphael, Brace of the Haligtree
Old Lord’s Talisman: Found in a chest in Crumbling Farum Azula
Erdtree’s Favor +2: Found on a dead tree in Leyndell, Ashen Capital (endgame/post-game)