Nappa and Vegeta
Walkthrough: Underworld/ Kai's Planet
Underworld
Items
Senzu Bean
Quests
Gather Spirits
EatYemma's Fruit
Welcome to HFIL, or the "Home For Infinite Losers." Spirits inhabit this place; some good and some bad. This is a good place to gain some levels since beating one of the Spirits will net you 1000 experience. There are three good spirits that have run away from the man standing next to the Health Center. Return them all and his friend will assist you afterwards. To reach them, look for a place that doesn't have the spikes around the outside of the cliff and fly up top. Two spirits are located left of where you came into the area, in the upper right corner of the map. The final one is left of the giant pond of blood. There is a Senzu Bean you can find by taking the path right behind the Health Center as well.
Now that you brought back the Spirits, the one blocking Yamma's tree will let you go up the steps. Fly up right next to where the car is parked (by the Health Center) and walk around to the fruit tree. Pick up the fruit laying on the ground and the devil will appear. Goku eats it and the devil will show you the way back to Snake Way. Enter the crack in the wall and you'll be at the very beginning again.
Simply walk all the way around or just fly across it to make the trip shorter. When you reach the end of it, Goku sees King Kai's floating planet to his left. Fly up to it and begin your training.
Kai's Planet
Quests
Catch Bubbles
Conk Gregory
Meet with King Kai and he will agree to train Goku for the upcoming battle. Your first task is to catch Bubbles the monkey. The best and easiest way to catch this ape is to chase it into one of the corners of the screen. This will leave him with no place to go. Then just run up and punch Bubbles to complete the first part. Next you've got to chase Gregory and smash him with a heavy mallet. Again, the same strategy will work perfect here, defeating the bug easily. If you accomplish these two tasks, King Kai will be impressed with Goku and will give you 1,500 experience. He'll also teach you the Kame Hame Ha.
Kai will also inform you that your friends have obtained the Dragon Balls and will wish you back. You'll end up at Kami's Lookout (be sure to get the Senzu Beans from Korrin if you need them) and can then proceed down into the city from here.
The City
Items
Capsule x2
Quests
Saved Lost Boy
Stopped Robbers
The first place is a wooded area which is crawling with the Wolves and Dinosaur you met previously. Fly up and get the little boy off the cliff and go down into the city. Take him to his house which is located directly left of the bank. His mother will thank you and give you a Capsule.
Before continuing on, grab the Capsule hidden in the grass behind the bank. You'll notice that the citizens are all pretty worried about the robbers running around town. Find all three and kill them (they're easy to spot). They aren't much of a threat since they are running away from you most of the time. Try using your Kame Hame Ha and you can make short work of these two-bit crooks. Unfortunately, the police will get the credit for their capture instead of you. When you are finished looking around the city, follow the southern path out.
Nappa and Vegeta
Quests
Defeat Nappa
Defeat Vegeta
Walk through the highly unsecure military installation until you come to the training grounds. Krillin and Gohan inform you that Yamcha, Chiaotzu and Tien are gone, Piccolo is dead and they are the only two remaining. Two powerful Saiyans await you... the first is Nappa.
There is a pretty easy pattern that you can follow which will make this and many future fights an easy task. Use Solar Flare to stun Nappa for a few seconds, then quickly switch to your Kame Hame Ha, charge it up and blast him before he starts coming towards you again. Keep repeating this process until he's dead. You can also use this same technique on Vegeta (who will challenge Goku after Nappa is defeated). If they are getting too close behind you, just fly for a couple seconds to gain some ground in between the two of you. The Herbs are plentiful so don't be afraid to use them if your health starts to drop. You'll gain 50,000 experience between the two of them.
After killing Vegeta, he shows his true power by turning into a giant ape and quickly disposing of you. Ouch. Flying in out of nowhere, Yajirobe slices Vegeta's tail off with ease, turning him back to his regular form. Just when you thought the drama is over, Gohan then transforms into the ape and downs Vegeta. With the chance to kill Vegeta while he's down, you will decline (such a nice guy) and show mercy. Since he used so much energy during the fight, you'll heal and end up on the planet of Namek.
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