When you enter Mt. Moon for the first time, you’ll meet your rival there. For the 6th battle, Haunter and Kadabra have evolved. After the battle, try exploring Mt. Moon for a little while and you might find a Clefairy. ... https://www.youtube.com/watch?v=_rKcLm53NnI
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.
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https://www.youtube.com/watch?v=s2FSAkXu5cY
After getting all 8 badges, try climbing the waterfall at Mt. Mortar so you can go deeper into the cave. In a lengthy maze of the B1F, you’ll spot some Black Belt training, who reveals himself to be the Karate King. Hitmonlee will use its Jump Kicks to cause great damage, although it will hurt itself if the move misses. Hitmonchan will strike first with Mach Punch and use the 3 elemental punching moves. After the battle, Kiyo will offer you a Tyrogue.
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https://www.youtube.com/watch?v=1p5Olmyd_Vw
After obtaining the Basement Key, go to the underground area of Goldenrod City to open a locked door. Once inside the underground warehouse, your rival will stop by and have a battle with you. For the 4th battle, Zubat and Gastly have evolved. Also, new to his team is Sneasel, which was seemingly stolen from another trainer living in Cianwood City. Sneasel will use Icy Wind to lower the target’s Speed stat and Faint Attack to strike without fail. After the battle, navigate the underground area by pressing the switches to adjust the shutters.
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https://www.youtube.com/watch?v=1ZrLA5LdKMo
Drayden is one of the Unova Leaders in the Pokémon World Tournament that can be battled in either the Unova Leaders or World Leaders Tournaments. Drayden is skilled in using Dragon type Pokémon. Haxorus will use Outrage with a Dragon Gem powering it up for once. Druddigon will use Glare to paralyze opponents and Sucker Punch to strike first. Hydreigon will use Dark Pulse to make targets flinch and a Petaya Berry to raise its Special Attack stat. Flygon will use Stone Edge for critical hits. Altaria will use Cotton Guard to raise its Defense stat and Roost to restore HP when in danger. Salamence will use Hone Claws to become more accurate and Dragon Rush to make targets flinch. A move like Ice Beam would work best for this round.
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https://www.youtube.com/watch?v=gw6JnwrQWWc
Drake uses Dragon type Pokémon. Shelgon will sometimes use Protect to avoid attacks then Rock Tomb to lower the target’s Speed stat. The 2nd Flygon will be tricky as if can avoid attack for the first turn and striking the next turn with Fly and Dig. Salamence is one of the pseudo-600 club Pokémon that also knows Fly and will use Flamethrower to counter against those who are Steel type. A move like Ice Beam would be the best use for this battle.
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https://www.youtube.com/watch?v=Kg6jWhnm4To
Candice is one of the Sinnoh Leaders in the Pokémon World Tournament that can be battled in either the Sinnoh Leaders or World Leaders Tournaments. Candice is skilled in using Ice type Pokémon. When Abomasnow is sent out, its Snow Warning ability summons hail that makes Blizzard unavoidable. If the weather effect was changed, Froslass can always use Hail and its Snow Cloak ability gives a good chance to evade attacks when hail is in effect. Weavile will use Torment to prevent the target from using stale moves and Night Slash for critical hits. Glaceon will use Icy Wind to slow opponents down and Yawn to put them to sleep. Mamoswine will use Bulldoze along with Rock Tomb to slow opponents down and make them flinch with Icicle Crash. Glalie holding a Rock Gem will use Rollout to make the attack gain power every turn for up to 5 turns. A move like Flamethrower would be the best choice to attack the opponents.
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https://www.youtube.com/watch?v=kg4ynQJFq0I
During your post-game quest, go to Floccesy Town and you’ll see Alder in one building. You can battle him but just for once. His team is a little different than he was since being the champion as he removes Druddigon and Vanilluxe, replacing them with Conkeldurr and Braviary. Accelgor will use Acid Spray to sharply lower the target’s Special Defense stat and Giga Drain to steal HP. Escavalier will use Swords Dance to raise its Attack stat and Reversal when running out of HP. Bouffalant will use Wild Charge and Head Charge with its ability Reckless for more damage but hurting itself as well. Conkeldurr will use Poison Jab to poison opponents and Stone Edge for critical hits. Braviary will use Crush Claw to lower the Defense stat of targets, Aerial Ace for never miss strikes, and Superpower for big damage at the expense of its own Attack and Defense stats. Volcarona will use Quiver Dance to speed up and Heat Wave to burn the opponents. After winning, his grandson named Benga will tell that he has conquered the White Treehollow.
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https://www.youtube.com/watch?v=THEG2bEt6Os
Magnets floating from above will pull you closer towards them when you’re close under. Go down one ladder and a machine will shoot balls from the sides. Descend one screen and you’ll encounter spring thugs shooting missiles. If you make contact with one, its head will spring up. Go down a ladder and you’ll encounter a group of grasshoppers. Go down another ladder and sonic waves that generate magnetism will pull you in or force you back. Cross a spike pit by navigating platforms that appear and vanish. Descend another ladder and you’ll cross platforms that appear randomly. Be sure to watch for sonic waves of magnetism along the way. Go up a ladder and cross another spike pit with a ball machine on a platform. Defeat a spring thug and go through the cap doors to battle against Magnet Man. Magnet Man will jump around, throwing magnets that home towards you. If it sets up shields by its sides, it will try to pull you closer. Use the Needle Cannon to inflict more damage. Defeat this boss to receive the Magnet Missile weapon.
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https://www.youtube.com/watch?v=G9Zy6dZztFs
When you visit the Burned Tower for the first time, you’ll encounter your rival and battle him for the 3rd time. For this round, he adds Magnemite. Gastly will use Confuse Ray to confuse opponents and Mean Look to prevent them from getting away. Magnemite has a combo by paralyzing targets with Thunder Wave and Supersonic to confuse them. After the battle, go to the basement and ward off the legendary beasts.
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https://www.youtube.com/watch?v=WAu3l5oc_3Q