Swap Water Tile with an Empty Tile PoE: Move Blockages
Move Blockages: Swap Water Tile with an Empty Tile
Once you have assigned a reflection to every location on your Mirrored Tablet, which will take a few areas, you can open a portal to the Lake of Kalandra itself.
Water Tile: cannot place a Reflection
Empty Tile: can place a Reflection
If you want to Move Blockages, you can Swap Water Tile with an Empty Tile.