Lost in dark

In some area you will see a living enemies moving toward you, so you must avoid those enemies. You can not kill those enemies you only need to avoid them.

Because it's very dark inside those tunnels, and stages in this game you are following an angel to see your way. so don't worry you will not get lost in the dark.

At some places you will see obstacles in walls. Follow that angel to find your way to the other chambers. Otherwise you may get lost.