If you buy in the tavern to the tavern meat chowder and eat it with an elf, then you will find out that the meat in it is human and belongs to missing magists. Higba will insist that he is innocent and asked for your help. You will find it in a barrel with fish at the fish warehouse of Drifwood (the task 'strange cargo'). Masters believe that the old Eden Higbos is to blame for people's disappearances. Talk to her to learn more information about the circumstances of her terrible death. Use 'Spiritism' (first fulfill the 'sharp awakening' task) inside the tavern, and you will see the ghost of one of the missing masters - Harrick.
He will tell you that masters go along the false trail and asks you to find a real criminal. Talk to Stewart, an elf that you can find to the left of the entrance to the tavern. You will find out that several masters are missing. In the driftwood, talk to the Magister Carver or Magister Keril. They suspect that it is unclean, and are looking for an attacker. Master's trifwood arrived in Drifwood, investigating the disappearance of their fellows. Missing masters are by-Quest In Divinity: Original SIN 2.
