Complete the following special encounters in Drustvar:
Betsy
Barbthorn Queen
Bonesquall
Longfang
Beastly Ritual Skull
Whargarble the Ill-Tempered
Grozgore
Beshol
Emily Mayville
Balethorn
Executioner Blackwell
Hyo'gi
Arvon the Betrayed
Avalanche
Gorged Boar
Fungi Trio
Hexed Hunter
Quillrat Matriarch
Vicemaul
Gluttonous Yeti
Ancient Sarcophagus
Rimestone
Seething Cache
Gorehorn
Talon
Nevermore
Bilefang Mother
Deathcap
Captain Leadfist
Arclight
Haywire Golem
Sister Martha
Braedan Whitewall