Proto:Lufia II: Rise of the Sinistrals/Sundletan

Lake Cave B1
Map changes:
 * The retail version adds more craters to several rooms
 * A message box in the room where you rescue Tia doesn't exist in the prototype
 * Levers use a different color for the knob
 * A submerged box in the prototype was replaced with a red crystal

Lake Cave B2
In the retail version, you don't obtain the bomb skill until Alunze Castle. It's just a standard door to enter the hallway full of monsters.

Other map changes:
 * The design of the two central rooms has changed slightly
 * In the retail version, the treasure hidden at the back of the monster hallway is placed such that Maxim can't reach the other treasure, too
 * The Southeast treasure room had its corner wall altered
 * More cracks in the walls were added to the retail version
 * Small rocks were added to the Southwest rooms of the retail version

Lake Cave B3
The prototype puzzle is solved by pushing all 5 pillars to the walkway in the center. This was updated with a much better puzzle solved by pushing blocks to change the arrow pointing from down to up.

A more fitting background was added for the Catfish boss fight.

Other map changes:
 * Overall map size increased in the retail version for the rising/falling water level sections
 * Treasure chest for the Lake key had its palette changed