After retrieving a Lost Item from the fan club in Vermilion City, you’ll meet someone named Steven Stone, who explains that Latios is roaming the region of Kanto. Use the map on the PokéGear to track the movements of roaming Pokémon and you’ll be able to encounter it if you’re on the matching route. Latios is on Level 35. Its signature move is Luster Purge, which has a 50% chance of lowering the target’s Special Defense stat. Roaming Pokémon will flee on the first turn, so if you have a Master Ball, now it would be the time to use it. Otherwise, have a Pokémon use Mean Look to prevent escape and throw some Love Balls if the Pokémon you’re using is the opposite gender. ... https://www.youtube.com/watch?v=YjdqQZAJvpk

After completing the Spear Pillar mission, you can enter Sunyshore City. This gym has mechanical floors that can be rotated by pressing the switches. After you align the gears properly, you’ll reach the gym leader. Raichu will use Light Screen to reduce special attack damage for 5 turns and Thunder Wave to paralyze opponents. Ambipom will use Nasty Plot then Agility to raise its stats and Baton Pass to switch out while the effects are kept intact. Octillery will use Octazooka to make opponents less accurate and hit them multiple times with Bullet Seed. Luxray will use Crunch to lower the target’s Defense stat and make them flinch or paralyzed with Thunder Fang. After the battle, you’ll receive the Beacon Badge and a TM57 (Charge Beam). Charge Beam has a 70% chance of raising the user’s Special Attack stat. ... https://www.youtube.com/watch?v=uXdi1TWhkig

As you explore the S.S. Anne, a luxury cruiser located south of Vermilion City, you’ll encounter your rival for the 4th time just as you’re about to approach a cabin of a seasick captain. For this round, his Rattata, Abra, and starter Pokémon have evolved. After the battle, enter the captain’s cabin so you can get an HM01 (Cut). ... https://www.youtube.com/watch?v=cduiYGLx3FI

The gym at Nimbasa City is new with some Beauty trainers coming from the stage. After you battle some of them, you’ll next battle the gym leader. Elesa uses Electric type Pokémon. Emolga will use Quick Attack for first strikes and Pursuit to do double damage to anyone trying to switch out. Flaaffy will use Thunder Wave to paralyze opponents and Electro Ball to do more damage if faster than the foe. Zebstrika will use Flame Charge to raise its Speed stat. After the battle, you’ll receive the Bolt Badge and a TM72 (Volt Switch). When Volt Switch strikes, the user switches out for another Pokémon. ... https://www.youtube.com/watch?v=Ofq4g4v7Mx4