The PWT is an area south of Driftveil City where the Pokémon World Tournament takes place. It has a dock to the south and a cave which gives access to the Relic Passage. It has many stalls within the area which give access to numerous things. The World Tournament itself can either be battled against random trainers or against the various Gym Leaders and Champions of the world. Click here for details.

Move Deleter & Relearner
The Move Deleter and Move Relearner are found iin the stalls that run up to the path to the World Tournament Building. The Move Deleter will remove moves freely, but the Move Relearner charges you one Heart Scale per move.

Move Tutors (Black & White)
In the city, there is a house where a character will teach one of your specific Pokémon one of three moves if they are of a high enough happiness.

Name	Type	Cat.	PP	Att.	Acc.	Effect
Grass Pledge			10	50	100	Does damage. Can be combined with the other Pledge moves
Fire Pledge			10	50	100	Does damage. Can be combined with the other Pledge moves
Water Pledge			10	50	100	Does damage. Can be combined with the other Pledge moves