Blue can be found on Cinnabar Island and he will return to the Viridian City gym once you speak with him. Go to the Viridian City gym and battle him. His team is the same as he was the champion in the first generation. Pidgeot will sometimes use Mirror Move to mock your move while Alakazam will use Reflect to weaken physical attack damage. Rhydon will use Sandstorm to slightly damage those for 5 turns except for 3 types. Gyarados will combo with Rain Dance then Hydro Pump and finish the target off with Hyper Beam. Exeggutor has a combo with Sunny Day and SolarBeam. Arcanine will use Extremespeed to strike first as its signature move. After winning, you’ll receive the Earth Badge. ... https://www.youtube.com/watch?v=2NrkiJNmfMo
After you explore Area 4 of the White Treehollow, you’ll take on the next boss trainer. Daneil is originally a Ranger. Scrafty will use Bulk Up to raise it power and Head Smash for big damage while hurting itself in the process. Zangoose will use Swords Dance to raise its Attack stat and Crush Claw to lower the target’s Defense stat. Heatmor will use Hone Claws to become more accurate and Inferno to instantly burn foes. After the battle, you’ll unlock Area 5.
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https://www.youtube.com/watch?v=ZfyumaW573w
On Route 8, there are 3 bikers just in front of the entrance to the now-closed Underground Path. Dwayne uses 4 Koffing, Harris uses a single Flareon, and Zeke uses 2 Koffing.
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https://www.youtube.com/watch?v=7EYeRanvjo4
Tate is one of the Hoenn Leaders in the Pokémon World Tournament that can be battled in either the Hoenn Leaders or World Leaders Tournaments. Tate is skilled in using Psychic type Pokémon. Solrock will use Trick Room to invert the speed order for 5 turns along with Rock Slide and Zen Headbutt to make targets flinch. Xatu will use Featherdance to lower the target’s Attack stat. Chimecho has a combo of Hypnosis and Dream Eater. Grumpig will use Calm Mind to raise its Special stats along with a Rest and Sleep Talk combo. Gallade has 4 moves that have a high critical hit ratio and making it flinch will cause the Steadfast ability to raise its Speed stat. Claydol will use Cosmic Power to raise both Defense stats. A move like Shadow Claw will easily bring down the opponents.
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https://www.youtube.com/watch?v=zfXLHNv27cU
After visiting the Cave of Being, go to the Celestial Tower at the very top where the bell is and Mesprit will come down. Save your game before you interact. Mesprit is on Level 65. Use Ultra Balls or else wait till night to use Dusk Balls.
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https://www.youtube.com/watch?v=1-r-zzthmNM
During your post-game quest, go to the Dreamyard and through the underground interior. Every Friday, a special Musharna is underground. Save your game before you interact with it. Musharna is on Level 50. Unlike original ones, this one has a special ability called Telepathy, an ability that prevents damage from teammates during double or triple battles.
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https://www.youtube.com/watch?v=6gt53qsTUtc
After a 48-win streak at the Battle Tower, you’ll battle Palmer but at a much harder level. Regigigas will have only half its Attack and Speed for the first 5 turns due to its Slow Start ability. Fire type moves won’t work on Heatran because of its Flash Fire ability. When Heatran is in danger, it will use Explosion. If Cresselia is running out of HP, it will use Moonlight. After winning, you’ll receive the Gold Print and 20 BP.
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https://www.youtube.com/watch?v=2iMi4TlOk2k
After getting 7 badges, Team Rocket has taken over the Radio Tower in Goldenrod City. Go to the 5F where the Director’s Office is. Speak with the director and you’ll find out that it’s actually an imposter, eventually the same executive you fought in the Rocket Hideout before. Petrel this time has a full team with 5 Koffing and one Weezing. After the battle, you’ll receive the Basement Key so you can go to the underground warehouse of the city.
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https://www.youtube.com/watch?v=Db_BFv_70Ik
Saffron City has a Fighting Dojo next door left from the gym where you can battle some Black Belts. After defeating the Black Belts, you’ll take on the Karate Master. Hitmonlee will use Meditate to raise its Attack stat and Rolling Kick to make targets flinch. Hitmonchan will use Agility to speed up and Fire Punch to burn targets. After the battle, you can choose any of the 2 Poké Balls backstage. One holds Hitmonlee and the other holds Hitmonchan. You can only choose one so pick the one you want best.
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https://www.youtube.com/watch?v=LDtYanjl1NI
The hallway starts with conveyor belts over spikes and with orbiting balls around. Up ahead are some white platforms with Boos in them. You’ll ride more conveyor belts and see more orbiting balls. After 2 more white platforms over spikes, go through the door and you’ll enter a room with Boos in a moving room. Once the door appears, go through it to enter the boss room. Stomp Boom Boom 3 times to finish by picking up the ? Ball.
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https://www.youtube.com/watch?v=AmYES1ESof4