Mysterious Song
Tower of the Gods

Walk to the north and west across the now-repaired bridge to reach the Tower of the Gods (8).
Floor 1
The first floor of the tower is pretty barren. Go straight through the exit to the north of where you start from.
Floor 2
On the second floor you will need to go all the way north, then either west or east, and all the way south to the exit at the south-center.
Apart from Herbs and Ether, there is Magic Mail and a Magic Sword in chests.
Floor 3
The third floor is more interesting. If you're in a hurry, you can go past Gregor (1) to the north and take the exit beyond him to Floor 4.
You can optionally circle around to the north-eastern exit (X) to farm some loot.
The chests on this level hold two suits of Magic Mail, two Magic Swords and two Revives.
Floor 4
If you used the exit past Gregor on the third floor, you will be at the center of the map. Make your way to the southern-central exit to reach the final encounter.
If you took the north-eastern exit from Floor 3, you will start at the north-east (X) and have access to ten chests. The armor in the three chests are named Suit of Ages. The sword at the north is a Dark Sword, and the one at the south is a Chaos Sword, the only one in the game.
Floor 5
This is the final encounter. Go north past Vyper at 1 (he will not want to fight you) for a final showdown with Grimm at 2. Survive the battle to view ending cinematics.
Congratulations. Play again