Sylviana: Ai Ippai no Boukensha/Demon World - West half

(1) Mirror cave
After stepping through the mirror in the northeast cave of your home world, you will arrive in a mirror-image of the previous room. In fact, you are in a mirror image of the entire dungeon, which exists in a mirror-image of your home world. Instead of a world of light, you are now inhabiting a world of demons. That being said, nothing much will change, except that the enemies will of course be stronger. But so are you, as you should be armed with Cecile's Sword and the Ceramic Shield.

Now that you are in the mirror image of the previous cave, three treasure chests can be found in the mirror image locations where the three previous chests were found. Follow the path right and up until you are given an opportunity to explore. Follow the middle path down, and back above the mirror to find a chest with a key in it. Then take the middle path to the right to find a chest with a Poppy. Return to the room above here, and examine the chest in the alcove for a Puppet. Then head north and follow the serpentine path to the staircase in the upper-right corner, and escape from the dungeon.

(2) North tower
Welcome to the demon world. Wherever there once was green, you'll only find orange throughout the landscape. That being said, every cave, tower, and castle is now in the mirror image location from the light world. And you should explore them in the reverse order that you explored them in the light world, starting with the north tower. Head east and follow the north coast until you reach a tree. This tree will offer to rid you of Thorn status if you are ever poisoned. Then continue following the north coast until you reach the tower. Note that with the Harp, you can heal at any time, anywhere, so you won't need as much bread to survive. That being said, if you feel more comfortable stocking up on supplies, it might be a good idea to find your way to the fourth town and make some purchases before wandering back up to the north to continue.

You won't find anything amazing in this tower, but you will get the opportunity to face the fifth boss of the game an obtain the fifth of Dr. Doppler's treasures. As with the light world, start out by walking straight to the left to open the first chest, which contains a 3rd Eye. Then return to the previous screen and follow the path up and around until you reach a locked door. Open it, and head to the right to find a chest with a key, before returning to the left and climbing up the stairs.

The second floor contains a cruel trick. There is a chest hidden behind a locked door, but the chest contains only a small amount of gold, worth less than the key you must use to access it. Skip the gold and only collect the free key by following the path down to the bottom of the floor. Then double back to the stairs where you arrived, and follow the middle path to the right to reach the stairs to the third floor.

You must avoid the chest above the stairs at all costs, as it contains the life-stealing Scythe. Instead, walk around the room and proceed to the left to access the next room, where you'll find another chest that contains a Golem. Grab it, and heal up to prepare for the boss fight ahead. Quick Save the game, and then climb the stairs when you're ready.

The room may be the mirror image of what you're used to, with the door on the left instead of the right, but the strategy to defeat the boss remains the same. Stand to the boss' right so that you can attack him as you push him into the upper left corner.

(E) Fourth town
You may be able to forgo finding the fourth town before you visit the North tower, but by the time you finish it, you may be in sore need of supplies and healing. To find the town, return to the tree and head south. Keep going south all the way until you reach a bridge. Cross the bridge and travel east. You'll pass yet another tree which mentions a Big Egg if you speak with it. Visiting this tree is actually important in order to trigger the appearance of the Big Egg when you search the West castle later on. Continue one more screen east, and you'll reach the fourth town.

By now, you should have amassed a pretty good amount of gold. There are two new weapons, and one new shield. Each of them are an improvement over the free shield and weapon you've picked up recently, but they certainly are expensive. If you can afford to skip the Unicorn Horn and go straight to the Halberd, you should. Purchase the Crystal shield if you can afford it. If you can't, you may want to grind for gold near town until you can.