Speak with one of the followers of Skalmos in Freeport. For this, you first need to use the Troll illusion that was given to you.
Once applied, go to ( -53, -24, -21 ) /waypoint -53.40, -24.43, -21.29 and speak with Velt.
Velt asks you to collect 6 Words of Zxrath from around Freeport. These are shinies (edit: They are technically NOT shinies, as shinies are a specific type of harvestable. The harvestables in question are animated/flapping pages with white sparkles. // Catya, Halls of Fate, 20th of June 2017) throughout Freeport. They spawn locations seem to vary from time to time, so if you do not find a page at a location cited below, try exploring in the vicinity. Known locations: