Lost Underworld/End
When you arrive in the Lost Underworld, head west. Watch out for the dinosaurs because they can be tough! Go north. You should see a little stall with a bird, a Tenda, and a sign there. Make sure you have the Tenddakraut with you before you go on. Use the bird to save. To the west of this place, is a Brain food lunch. Head up from the stall. To the right is a Horn of life, to the northeast is a Guts capsule, and to the north is a Sea pendant. Go west. You'll find a large fenced in area. Try to enter from the front, and they shall steal your tendakraut. Inside is a shop, a phone, a hotel, and a talking rock. If you need cash, there is a Tenda above the fenced area who will act as an ATM. Stock up and save. Talk to the rock and he will tell you all of the sanctuary locations. You should have 7 melodies so far. So write down any that you've missed. I'd recommend getting them now because 1- you are strong enough so that it will be really easy 2- you only have one more left.
The final sanctuary location is to the southwest. So from the Tenda Town, head west. The first cave you see is just a weird dead-end. Head south from there. If you head northeast after passing some mountains, you'll find Poo's Cloak of Kings. Keep heading south. You should see another stall down there. Save before you go in the cave. It would be a good idea to have some Super bombs stocked at Escargo Express. The cave is northeast from the stall.
In these caverns, you'll find a Bag of dragonite, a Cherub's band, a Moon beam gun, a Speed capsule, and a Horn of life. This area isn't too hard to navigate. You'll find enemies like: Soul Consuming Flame: Freeze works really well here.
Psychic Psycho: He hits hard with Fire. Retaliate with Freeze.
Major Psychic Psycho: A stronger version of the aforementioned enemy. Use the same tactics.
Evil Elemental: These annoying guys have an HP of 564. Regular attacks work well.

At the top, you'll find the shining spot.
BEFORE you fight him, make sure you have some Super bombs stored in Escargo Express.

Boss Fight!
All right, the Carbon Dog has an HP of 1672. He uses fire attacks. Use freeze and bottle rockets. Make sure to have your shields up.
Boss Fight!
Now after that, he turns into Diamond Dog. His HP is a mighty 3344. You can use the shield killer if you have it. You can take him!

Now go and record the Melody of the Fire Spring. A black and white scene will ensue, then you find Ness in his pajamas in a strange new land, alone. Explore a little bit. You should see some familiar faces. Talk to them for some awesome color changing action! To the northwest, you'll find your family, and Tracey acts as Escargo Express for you. To the south, there is an ATM and a shop. You can buy Magic pudding and Earth pendants here. Here's a tip: This is the only place to get these things, so stock up! Just give the extra ones to Escargo Express.
West, there is a hotel and a Psi caramel in a present. In the building to the north, you'll find the flying men. Before you continue into the dark pink area, make sure you are prepared for a tough battle.
Take a flying man with you and head out. If you head east, you'll find a Bag of dragonite. To the north, there is a Goddess band. Follow the trail the rest of the way and you'll get 2 more presents, a Magicent bat and a Magic tart. During your journey, most likely the Flying Man has died, but you can pick up another one if you head all the way back. After getting those last presents, I recommend going back to Tracey and dropping off some extra items, such as the bat you had before you got the Magicant bat, and then getting another Flying Man. At the end of the trial, you'll see a weird beanstalk type thing; go up to it. In this purple sea, you'll meet Bionic Krackens. You have a 1/128 chance of winning the powerful Casey Bat from them, but once you beat them all, they won't come back. Before you fight the Mani Mani statue, heal your self.
Boss Fight!
Ness's Nightmare is a tough fight! Use your Super bombs on him, your Dragonite and PSI powers. He can use the same PSI as Ness can, so beware!
After that, Ness gets super strong, and you find yourself back with Poo, Paula, and trusty Jeff.
After Ness rejoins, the crew will teleport to Saturn Valley, where some changes have occurred. There are new items in the item shop and Dr. Adonuts and the Apple Kid are there. Talk to them and they will attempt to start the phase distorter to find Giygas. It seem that the only thing to fix it would be a piece of meteorite. Hmm, where have we seen one of those? Ah, Onette of course.
Teleport there, and you will find a nasty surprise; enemies have overrun the town. Make use of Ness's new powers, like Lifeup omega. Use Starstorm and PSI Rockin on them for a quick battle. Ness's house is the only house that is open. Give your mom a visit while you're there. Head north to the meteor, and check it to collect the Zexonyte. Head back to Saturn Valley, and give Dr. Adonuts the meteor piece.
Now, its time to stock up. Equip the earth pendants on everyone; get rid of any condiments or any weak items. I recommend having a jar of delisauce with everyone, a lot of brainfood lunches, magic puddings, magic truffles, the defense shower, the heavy bazooka, and some multi-bottle rockets. Don't fill up the inventory completely, have at least a couple empty spaces. Its almost time for the final battle, board the phase distorter. After it breaks, check it for a Horn of life.
This is was my final inventory last time I beat the game (The Monkey's love, the Snake bag, and the Town map are purely sentimental value.)
Ness        Paula        Jeff       Poo
Also, at this time, Poo will get Starstorm Omega, the best offensive spell in the game. Talk to Dr. Adonuts several times until he tells you the horrible truth. If you are prepared and ready, board the Phase Distorter III. You'll arrive in a blue-gray place. You can save and heal by checking the Phase Distorter. Follow the trail. There is a Legendary bat on the way. Use freeze on the Nuclear Reactor Robots, and Starstorm to beat a bunch of enemies. Watch out for the Mechanical Octobots, for they like to steal. At the end of it all, you find yourself in a large room with a trail of intestines leading north. Follow it up to meet Giygas, and the end of the game. Best of Luck!
....When on your way out...
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