During your post-game quest, the Plasma Frigate will relocate at the P2 Laboratory west from Nuvema Town. Go inside the ship and battle Colress once more. For this round, his Metang has evolved while adding the Wash Form of Rotom. Rotom will use Substitute to avoid damage while sacrificing a quarter of its HP and Will-O-Wisp to burn opponents. Every opponent else is the same as the previous battle. After beating him once this round, you’ll receive a Master Ball. You can battle Colress once per day. ... https://www.youtube.com/watch?v=X0wlo2eavfI

On Monday, go to the Celadon City Department Store and Falkner will be at the 4F of the building. Talk to him and he will give you his phone number on the PokéGear. Call him on a Saturday morning and he will be at the Fighting Dojo in Saffron City. Staraptor will use Attract to make the opposite gender less likely to move and U-turn to switch out after causing damage. Noctowl will use Featherdance to sharply lower the target’s Attack stat and Roost to restore its HP. Swellow holding a Flame Orb will use Facade to deal more damage if it has a status problem and Endeavor to make the target match the amount of HP it has left. Honchkrow will use Thunder Wave to paralyze the target and Dark Pulse for a 20% chance of making the target flinch. Pelipper will use Tailwind to speed its team up for 3 turns and Ice Beam for a 10% chance of freezing the target. Pidgeot will use Swagger to confuse the target and Double Team to raise its evasiveness stat. Moves like Thunderbolt and Stone Edge work best for this battle. ... https://www.youtube.com/watch?v=LU6ZZL4Jz34

In the interior area of the Pinwheel Forest, there is a Hidden Grotto left from the bridge after using Surf. Enter this Hidden Grotto and you’ll have a rare chance of encountering a special Murkrow. It ranges between Levels 55-60. It also has the hidden ability, Prankster. With Prankster, it gives priority to any non-damaging move. ... https://www.youtube.com/watch?v=-aPAa8aqvm4

After the first tunnel you go through, go to the lower right part of the sewer and use the tunnel there. Collect 2 Red Coins and the first flower with some eggs. After some bone birds, use arrow balls and you’ll find 4 Red Coins on the way. After the 2nd flower, use the next tunnel and you’ll find the 3rd flower while descending. There are 2 egg blocks between the next tunnel. Bounce off arrow balls to make it to the other side of the sewer. Push a crate down the water drain and make your way to pinball flippers where 2 Red Coins and the 4th flower are above them. Use the next tunnel and merge into the mole tank. 2 Red Coins are in small openings. Return to normal and you’ll find 2 egg blocks with another crate to push. While the water drain sends the crate down, turn right for 4 Red Coins. Stand on the crate and go through the next tunnel. Merge into a helicopter and collect 4 Red Coins before going through the next tunnel. With 2 flashing eggs, push the crate and stand on it to go through one last tunnel. Defeat a Piranha Plant and grab the last flower as the water guides you. After a purple ghost, you’ll find the goal. ... https://www.youtube.com/watch?v=kC0oiUKxki0