Like previous games, Pokémon Black & White has included a varierty of swarms. These swarms, like the past swarms, activate after you have received the National Dex, change each day at midnight and go through a random selection of possibilities. The focus of these swarms are Pokémon that don't normally exist within the Unova region and as such can only be obtained in the wild using this method

In order to check the swarms, you need to enter a gate between two areas and look at the ticket going along on the back wall. It will mention that there is a swarm of Pokémon going on in that particular route. Go to that route and you'll find the Pokémon.

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At the eastern road of Castelia City, if you enter the building on the left, you will find this character who will give your Pokémon a massage. You can get a massage once a day and the massages boost the happiness of your Pokémon.

In a building on the lower left building of Opelucid City, you will discover a man who will give you new Pokémon Musical Props every day. Keep coming back to him and he will give you new Props every day until he is out of props for you. He has 5 props to give you.

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In the middle road of Castelia City, you will find another building on the right. In this building, you will find a Clown who is requesting to see a specific type of Pokémon. Show him a Pokémon of this type and he will provide berries to you. The type of Pokémon will change each day.

In Nimbasa City, you will discover the Ferris Wheel. Outside the Ferris Wheel, after you have beaten N there, you will find a new trainer outside it every now and then. They will challenge you to a battle and then go up on the Ferris Wheel with you.

In Driftveil City, in the house to the west of the Pokémon Centre, you will find a woman who will ask to see a specific Pokémon with a specific move each day. Show her the Pokémon and move she has requested and you'll get a Heart Scale. This can be repeated each day..

After getting the National Pokédex, you will be able to find the Sinnoh Champion Cynthia in a house in Undella Town. In here, you will have the ability to battle her once a day, every day, during months which are Spring.

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After you have been to the Dream World, the girl in Nacrene City in a house to the east of the Pokémon Centre will start offering to make you furniture for your Dream World abode. These will vary each day and you'll then be able to purchase the design in the Dream World on the Global Link site

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After getting the National Pokédex, you will be able to find a trainer based upon the GameFreak employee, Shigeki Morimoto. Here, you can battle him once a day, every day, regardless of the current seasons.

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In Opelucid City, in the house near the Route 10 exit, you will find two trainers within who will gladly battle you each day. On both floors are trainers which will battle you in Rotation Battles or Triple Battles depending on if you're playing Pokémon Black or White respectively. You can rebattle these for experience each and every day

In the south east of the Pinwheel Forst is a stone. If you take a Fighting-type Pokémon to this stone, you can interact with the rock. It'll say that the Pokémon's veins are pumping and you will receive a Star Piece item. You can return each day to receive another

At numerous points within the day, the sports halls in Nimbasa City will give you access to a variety of different sports courts. On these courts will be a variety of trainers that you can rebattle every single day. Defeat the trainers and you may even receive an item. The sports are as follows

Small Court
Tennis: Morning
Baskettall: Afternoon
Large Court
Soccer: Morning
American Football: Afternoon

Within Black City in Pokémon Black, you have the ability to battle new trainers every day. These trainers are numerous in number and have a variety of powerful Pokémon. In addition to this, you will have the ability to purchase a selection of different items including evolution stones each and every day

Within White Forest in Pokémon White, between zero and three different items will start appearing in the ground. These items are dependant on the characters in White Forest which change based on your use of the Entralink feature.

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In Castelia City, after you have defeated the Elite Four, you will now have access to the special ferry; the Royal Unova on the Cruise Dock. Each evening, you can go on the Royal Unova and battle the various trainers on the boat. After defeating the trainers, you will receive an item based upon your success

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In Undella Town, there is a villa to the west. In this villa, you will discover a trainer who will battle you. Each day, as you battle, another trainer will join in and battle you consecutively until there are six trainers there. From there, you can battle them each day and get on with a battle. These battles give a high monetary reward. Once you have defeated all of them however, they aren't battleable

In Village Bridge, when you enter the fourth house from the left, a girl will leave with her Patrat. You can find her in the middle of Marvelous Bridge. Talk to her there and, each day, you'll get the chance to participate in a mini-game. This game has you get shown a Patrat. You have to follow the Patrat through its movements. When all four Patrat have moved around, you select the Patrat which you believe is the correct Patrat. If you're correct, you'll get a Big Mushroom.

By the entrance to Tubeline Bridge, there is a Parasol Lady who will give you a specific item depending on the time of day. You can go back each day to get the items. There are four items spread across each day, but you can only obtain one.

Picture	Name	Effect	Time
	Damp Rock	A Pokémon hold item that extends the duration of the move Rain Dance used by the holder.	05:00-09:59.
	Heat Rock	A Pokémon hold item that extends the duration of the move Sunny Day used by the holder.	10:00-16:59.
	Smooth Rock	A Pokémon hold item that extends the duration of the move Sandstorm used by the holder.	17:00-19:59.
	Icy Rock	A Pokémon hold item that extends the duration of the move Hail used by the holder.	20:00-04:59.

In the Twist Mountain Cave, there is a man who will give you a fossil once a day after you have obtained the National Pokédex. These fossils are the fossils of the Kanto, Hoenn & Sinnoh Pokémon.

Picture	Name	Effect
	Armor Fossil	A fossil from a prehistoric Pokémon that lived on the land. It appears to be part of a collar.
	Claw Fossil	A fossil of an ancient Pokémon that lived in the sea. It appears to be part of a claw.
	Dome Fossil	A fossil of an ancient Pokémon that lived in the sea. It appears to be part of a shell.
	Helix Fossil	A fossil of an ancient Pokémon that lived in the sea. It appears to be part of a seashell.
	Old Amber	A piece of amber that contains the genetic material of an ancient Pokémon. It is clear with a reddish tint.
	Root Fossil	A fossil of an ancient Pokémon that lived in the sea. It appears to be part of a plant root.
	Skull Fossil	A fossil from a prehistoric Pokémon that lived on the land. It appears to be part of a head.

In Village Bridge, after defeating the Chef in a battle, she will ask you to hand out menus to the characters nearby. They will order certain berries. Your task is to give the chef the orders and she'll give you the berries to give to the trainers. If you succeed, you will receive some Lum Berries.

In Village Bridge, a fisherman will ask to see a certain Pokémon. This Pokémon has to have been captured by Fishing or evolved from one that was captured by fishing. He will ask for a different Pokémon each day so be sure to check back. Show him the one of which he desires and he will give you a Dive Ball.

In Route 13, you will find a guy in a suit who has been hunting treasure. Each day, he will give you a different item. These items range from evolution items to simple hold items. Check with him each day for another one. Below is a list of the items you can obtain.

Picture	Name	Effect
	Black Flute	A black flute made from blown glass. Its melody makes wild Pokémon less likely to appear.
	Blue Flute	A blue flute made from blown glass. Its melody awakens a single Pokémon from sleep.
	Red Flute	A red flute made from blown glass. Its melody snaps a single Pokémon out of infatuation.
	White Flute	A white flute made from blown glass. Its melody makes wild Pokémon more likely to appear.
	Yellow Flute	A yellow flute made from blown glass. Its melody snaps a single Pokémon out of confusion.
	Lucky Egg	An item to be held by a Pokémon. It is an egg filled with happiness that earns extra Exp. Points in battle.
	Shoal Salt	Pure salt that was discovered deep inside the Shoal Cave. It is extremely salty.
	Shoal Shell	A pretty seashell that was found deep inside the Shoal Cave. It is striped in blue and white.
	DeepSeaScale	An item to be held by CLAMPERL. A scale that shines a faint pink, it raises the Sp. Def stat.
	DeepSeaTooth	An item to be held by CLAMPERL. A fang that gleams a sharp silver, it raises the Sp. Atk stat.
	Dragon Scale	A thick and tough scale. Dragon-type Pokémon may be holding this item when caught.
	Dubious Disc	A transparent device overflowing with dubious data. Its producer is unknown.
	Electirizer	A box packed with a tremendous amount of electric energy. It is loved by a certain Pokémon.
	King's Rock	An item to be held by a Pokémon. It may cause the foe to flinch when the holder inflicts damage.
	Magmarizer	A box packed with a tremendous amount of magma energy. It is loved by a certain Pokémon.
	Metal Coat	An item to be held by a Pokémon. It is a special metallic film that ups the power of Steel-type moves.
	Protector	A protective item of some sort. It is extremely stiff and heavy. It is loved by a certain Pokémon.
	Razor Claw	An item to be held by a Pokémon. It is a sharply hooked claw that ups the holder's critical-hit ratio.
	Razor Fang	An item to be held by a Pokémon. It may cause the foe to flinch when the holder inflicts damage.
	Reaper Cloth	A cloth imbued with horrifyingly strong spiritual energy. It is loved by a certain Pokémon.
	Up-Grade	A transparent device filled with all sorts of data. It was produced by Silph Co.
	Heart Scale	A pretty, heart-shaped scale that is extremely rare. It glows faintly in the colors of the rainbow.
	Lucky Punch	An item to be held by CHANSEY. It is a pair of gloves that boosts CHANSEY's critical-hit ratio.
	Metal Powder	An item to be held by DITTO. Extremely fine yet hard, this odd powder boosts the Defense stat.
	Stick	An item to be held by FARFETCH'D. It is a very long and stiff stalk of leek that boosts the critical-hit ratio.
	Thick Club	An item to be held by CUBONE or MAROWAK. It is a hard bone of some sort that boosts the Attack stat.
	Big Pearl	A quite-large pearl that sparkles in a pretty silver color. It can be sold at a high price to shops.
	Shiny Stone	A peculiar stone that makes certain species of Pokémon evolve. It shines with a dazzling light.
	Dusk Stone	A peculiar stone that makes certain species of Pokémon evolve. It is as dark as dark can be.
	Dawn Stone	A peculiar stone that makes certain species of Pokémon evolve. It sparkles like eyes.

After defeating the game, you gain access to the basement within the Dreamyard. Hidden at the end of this, and appearing only on Fridays is the dream Pokémon Musharna. This Musharna is different from the Musharna you will normally capture in the games in that it has its third ability; Telepathy making it worthwhile.

After you have beaten the game, you will find Bianca in Professor Juniper's Laboratory in Nuvema Town. After talking with her, she will decide to battle you in the evenings on the following Saturday and all subsequent Saturdays.

On Tuesdays, during Spring, Summer and Autumn, you will be able to purchase the Casteliacone in the stall on the Slim Street in Castelia City. It costs 100 and heals status problems of one Pokémon

Each week in Anville Town, you can talk to this man in Anville Town. Each week, he will provide you with a gift of an item that was lost in the Battle Subway. This is based upon your progress within the Battle Subway

Picture	Name	Effect
	Calcium	A nutritious drink for Pokémon. It raises the base Sp. Atk stat of a single Pokémon.
	Carbos	A nutritious drink for POKéMON. It raises the base SPEED stat of one POKéMON.
	Elixir	It restores the PP of all the moves learned by the targeted Pokémon by 10 points each.
	Full Restore	A medicine that fully restores the HP and heals any status problems of a single Pokémon.
	HP Up	A nutritious drink for Pokémon. It raises the base HP of a single Pokémon.
	Iron	A nutritious drink for Pokémon. It raises the base Defense stat of a single Pokémon.
	Max Revive	A medicine that revives a fainted Pokémon. It fully restores the Pokémon's maximum HP.
	Protein	A nutritious drink for Pokémon. It raises the base Attack stat of a single Pokémon.
	Rare Candy	A candy that is packed with energy. It raises the level of a single Pokémon by one.
	Zinc	A nutritious drink for Pokémon. It raises the base Sp. Def stat of a single Pokémon.

On most weekends in Anville Town, numerous new characters are within the town. These characters will happily trade items with you. They will tell you what they want, such as 20 PokéBalls, or 2 Escape Ropes and will give you items such as Revives, PP Ups and Full Restores in exchange.