Ability Up Item Description Location Price Silver Powder Increases power of Bug-type attacks Trade/Wild   Smoke Ball Provides escape from wild Pokémon Goldenrod City   Soft Sand Increases power of Ground-type attacks Route 34   Spell Tag Increases power of Ghost-type attacks Blackthorn City/Trade/Wild   Stick Increases power of Farfetch'd's attacks Trade/Wild   Sun Stone Evolves Pokémon National Park   Thick Club Increases Cubone/Marowak phys. attack Trade/Wild   Thunder Stone Evolves Pokémon Gift   Twisted Spoon Increases power of Psychic-type attacks Trade/Wild   Up-Grade Evolves Porygon into Porygon 2 Saffron City   Water Stone Evolves Pokémon Gift   X Accuracy Increases accuracy (one battle) Department Store/Town/Caves 950 X Attack Increases attack power (one battle) Pokémon Mart/Caves/Gift 500 X Defend Increases defense (one battle) Pokémon Mart/Caves/Gift 550 X Special Raises Special Attack power (one battle) Pokémon Mart/Roads/Caves/Gift 350 X Speed Increases speed (one battle) Pokémon Mart/Caves 350 Items To Sell Item Description Location Price Big Mushroom Can be sold at a Pokémon Mart Trade/Wild   Big Pearl Can be sold for a high price Goldenrod City/Trade/Wild 3,500 Brick Piece Can be sold at a Pokémon Mart Trade/Wild   Gold Leaf Can be sold at a Pokémon Mart Trade/Wild   Nugget Can be sold for a high price Roads/Caves/Gift/Goldenrod City 4,500 Pearl Can be sold for a high price Goldenrod City/Trade/Wild 650 Silver Leaf Can be sold at a Pokémon Mart Trade/Wild   Star Piece Can be sold for a high price Goldenrod City/Trade/Wild 4,500 Star Dust Can be sold for a high price Goldenrod City/Trade/Wild 900 Slowpoke Tail Can be sold for a high price Mahogany Town 9,800 Tiny Mushroom Can be sold for a low price Mahogany Town/Trade/Wild 500 Balls Item Description Location Price Fast Ball Catches Pokémon that escape quickly Azalea Town (Give Kurt White Apricorn)   Friend Ball Pokémon becomes very attached to you Azalea Town (Give Kurt Green Apricorn)   Great Ball Catches Pokémon better than Poké Ball Pokémon Mart/Roads/Caves/Gift 600 Heavy Ball Easily catches heavy Pokémon Azalea Town (Give Kurt Black Apricorn)   Level Ball Catches Pokémon at lower level than yours Azalea Town (Give Kurt Red Apricorn)   Love Ball Easily catches opposite-sex Pokémon Azalea Town (Give Kurt Pink Apricorn)   Lure Ball Makes fishing for Pokémon easy Azalea Town (Give Kurt Blue Apricorn)   Master Ball Always catches Pokémon Goldenrod City/New Bark Town   Moon Ball Catches Moon Stone-related Pokémon Azalea Town (Give Kurt Yellow Apricorn)   Poké Ball Catches Pokémon Pokémon Mart/Route 31 200 Ultra Ball Catches Pokémon better than Great Ball Pokémon Mart/Roads/Caves 1,200