The Mana World Forums

Players can't get to this bit of land and so it should have collision tiles placed on it.
Otherwise this happens:

nope, there is a secret passage that leads to that area.
Have a wander around the caves

Ah, my bad.
Still it certainly looked funny when I walked past it with seven Mouboos running around up there!

There is a layer error there. On the far right, those cliff tiles should be on the fringe layer.