- Start by using Senu to search the lake and mark the boat you are looking for.
- This will make getting to the boat much faster.
- Immediately run over to one of the nearby boats next to the shore.
- Board the boat and take the rudder.
- Sail over to the boat with Hotephres.
- Disembark from yours and board his.
- Approach the man at the stern of the boat to trigger a cutscene.
- This will open up 3 side quests as well: Demons in the Desert, The Sickness, and Fires of Dionysais.