As you push farther out onto the lake shrouded waters, you will find each encounter to be more difficult but more rewarding. This difficulty value counts up by one for each location away from the entrance the encounter is.
Players wanting the best rewards will try to engineer tablets that have long, winding strings of encounters, reaching very high difficulty values by the end.
To do this, there are occasional options that can be chosen which allow you to move and swap the entrance, reflections, and water tiles on the tablet.
The following is an example.
Shape the Lake of Kalandra in the following ways.