Flask of Big Mojo is more likely to drop from Vilebranch trolls in Jinthalor in Hinterlands, or Sunken Temple. The quest suggests to try jungle trolls in general. Maybe add a more specific description of where to obtain the Mojo, or require just a Flask of Mojo (which drops from the trolls in STV)
Typo in quest text Hal'deh refers to himself as "Hal'eh
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