The Wolfhunter Add-on for The Elder Scrolls Online: Tamriel Unlimited has 6 achievements worth 220 gamerscore.
Defeat Jailer Melitus without being damaged by Bloody Geysers in Moon Hunter Keep.
Defeat the Wyrd Sisters, Aghoedh, Dagrund, Tarcyr, and Balorgh in March of Sacrifices.
Defeat Archivist Ernarde without killing the first Hulking Werewolf ally in Moon Hunter Keep.
Defeat Jailer Melitus, Hedge Maze Guardian, Mylenne, the Archivist, and Vykosa in Moon Hunter Keep.
Defeat Archivist without taking group member damage from Symbols of Xarxes in Moon Hunter Keep.
Complete Veteran Moon Hunter Keep and Veteran March of Sacrifices.