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 -53.40, -24.43, -21.29 Copy and speak with Velt.
Velt asks you to collect 6 Words of Zxrath from around Freeport. These are shinies 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: