Meet N by the Ferris wheel at Nimbasa City during the winter season on Friday and he will take you for a ride on the wheel explaining about a trainer from 2 years ago. He will return to his castle after the ride. Go to his castle which is underground in Victory Road and you can battle him. For his winter season team, he leads off with Abomasnow, in which its Snow Warning ability summons hail and lasts until the weather effects are replaced. Abomasnow will use Grasswhistle to put opponents to sleep and Blizzard as it doesn’t miss in hail. Vanilluxe will use Hail to bring back the hail and Signal Beam to confuse foes. Cloyster will use Shell Smash to gain power and speed at the sacrifice of defense plus Ice Shard for first strikes. Mamoswine will use Stone Edge for critical hits and its Snow Cloak ability raises its evasiveness in hail. Froslass will use Hail and Blizzard as a combo plus the Icy Rock it holds extends the turns the hail is in effect. Glaceon will use Attract to infatuate opposite genders. Moves like Flamethrower and Aura Sphere work best for this battle. ... https://www.youtube.com/watch?v=RJAQlIz8SS4

After a 48-win streak in the Super Multi Station, you’ll battle both Ingo and Emmet once more. Excadrill holds a Life Orb for more power but at the expense of HP after each hit. Haxorus holds a Yache Berry and will use Dragon Dance then unleash a big attack. Eelektross will use Thunder Wave and even Gastro Acid to remove abilities. Go after Archeops immediately when it comes out and make its HP less than half so it causes less damage by acting Defeatist but it also knows Protect. After winning, you’ll receive 30 BP. ... https://www.youtube.com/watch?v=u5lnX1bFiwA

On any day between 6:00 A.M. and 10:00 A.M., Clair will be inside the Dragon’s Den just behind a boat dock. Talk to her and she will give you her phone number on the PokéGear. Call her on a Friday night and she will be at the Fighting Dojo in Saffron City. Gyarados holding a Wacan Berry will use Dragon Dance to raise its stats and Waterfall for a 20% chance of making the target flinch. Dragonair will use Thunder Wave to paralyze the target and Dragon Rush for a 20% chance of making the target flinch. Aerodactyl will use Rock Slide for a 30% chance of making the target flinch. Kingdra will use Yawn to make the target sleep the next turn and Dragonbreath for a 30% chance of paralyzing the target. Charizard will use Shadow Claw to more easily land a critical hit and Air Slash for a 30% chance of making the target flinch. Dragonite will use Safeguard to prevent status problems for 5 turns and Thunder for a 30% chance of paralyzing the target. Think of a whole variety moves you can use for this battle. ... https://www.youtube.com/watch?v=DPV_La_p8LQ

After defeating Team Galactic at the Valley Windworks, you can return to this place anytime. On Fridays only, you’ll see a Drifloon standing in front of the Windworks. Save your game before you interact with it. Drifloon is on Level 22. Make sure you still have some Poké Balls left so you can catch it. ... https://www.youtube.com/watch?v=lOPte7BmqmY