Location: Desert Resort

Method:
In the Desert Resort, you will find several statues by the entrance to the Relic Castle. When you come near the entrance, Professor Juniper will appear and will tell you about these Darmanitan. These ones are special in that they have a different ability to the normal Sheer Force ability and are awakaned by using a RageCandyBar on them. Instead, they have a new ability called Zen Mode, which, when Darmanitan's Hit Points get below 50% of maximum, will make Darmanitan change form into a new Fire/Psychic Pokémon

Darmanitan Level 35

OT: Yours ID: Yours Ability: Zen Mode Hold Item: None

??? Nature. Date of Receiving Desert Resort. Caught at Lv. 35

Thrash Belly Drum Flare Blitz Hammer Arm

Location: Route 6, Route 10

Method:
In Route 6 and Route 10, you'll find some PokéBalls on the ground. When you go to collect them, instinctively thinking they're items, they will sometimes bounce up and will show themseleves to be the mushroom Pokémon; Foongus.

Foongus Level 20

OT: Yours ID: Yours Ability: Effect Spore Hold Item: TinyMushroom 50% Big Mushroom 5%

??? Nature. Date of Receiving Route 6. Caught at Lv. 20

Bide Mega Drain Ingrain Faint Attack

Foongus Level 30

OT: Yours ID: Yours Ability: Effect Spore Hold Item: TinyMushroom 50% Big Mushroom 5%

??? Nature. Date of Receiving Route 10. Caught at Lv. 30

Ingrain Faint Attack Sweet Scent Giga Drain

Location: Route 10

Method:
In Route 10, at the north of the route where the dark grass is, you'll find some PokéBalls on the ground. When you go to collect them, instinctively thinking they're items, they will sometimes bounce up and will show themseleves to be the mushroom Pokémon; Foongus.

Amoonguss Level 40

OT: Yours ID: Yours Ability: Effect Spore Hold Item: TinyMushroom 50% Big Mushroom 5%

??? Nature. Date of Receiving Route 10. Caught at Lv. 40

Sweet Scent Giga Drain Toxic Synthesis

Location: Dreamyard

Method:
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.

Musharna Level 50

OT: Yours ID: Yours Ability: Telepathy Hold Item: None

??? Nature. Date of Receiving Dreamyard. Caught at Lv. 50

Defense Curl Lucky Chant Psybeam Hypnosis

Location: Lostlorn Forest

Method:
When you transfer Raikou, Entei or Suicune from your games to Black & White, you will be able to get access to the Lostlorn Forest area. This area will feature a character who mentions a Pokémon that has been known to create illusions. You will find a Pokémon matching one of the beasts that you didn't transfer over. If you send over Raikou, you will see Entei. Send over Entei and you'll see Suicune and send over Suicune and you'll see Raikou. When you attack, you'll see that it is in fact a Zoroark. This is the only way you can capture Zoroark.

Zoroark ♀ Level 25

OT: Yours ID: Yours Ability: Illusion Hold Item: None

??? Nature. Date of Capture Lostlorn Forest. Caught at Lv. 25

Fury Swipes Faint Attack Scary Face Taunt

Location: Relic Castle

Method:
After you have obtained the National Dex, you'll gain access to a new part of the Relic Castle in the Desert Resort. After following some caves similar in design to Turnback Cave, you will find Volcarona right at the end of it. It's a Bug/Fire Pokémon so be prepared for a strong battle

Volcarona Level 70

OT: Yours ID: Yours Ability: Flame Body Hold Item: None

??? Nature. Date of Receiving Relic Castle. Caught at Lv. 70

Silver Wind Quiver Dance Heat Wave Bug Buzz