New with the release of the Johto Pokemon Update, many new and old Pokemon can evolve into advanced form Pokemon - but only through the use of specific Evolution Items. These items have a rare chance of being found at any Pokestop, and can be used along with specific Pokemon Candy to evolve a Pokemon.

This even works with Pokemon who have different evolution paths, as an additional evolution button will let you choose which path you'd like to take if you meet the requirements. Dragon Scale

There are currently 5 new Evolution Items introduced with the latest update:

The Dragon Scale is one of the new Evolution Items that can be used in conjunction with Pokemon Candy to evolve some of the Gen 1 Pokemon to new Gen 2 evolutions.

Currently, the applicable Pokemon for this item is Seadra, who can be evolved into Kingdra using a Dragon Scale and 100 Horsea Pokemon Candy.

The Kings Rock is another of the new Evolution Items that can be used in conjunction with Pokemon Candy to evolve some of the Gen 1 Pokemon to new Gen 2 evolutions.

Currently, there are 2 applicable Pokemon who can use this item: Slowpoke can use the Kings Rock and 50 Slowpoke Candy to evolve into Slowking - or just the candy to evolve into Slowbro. Poliwhirl can also use the Kings Rock and 100 Politwag Candy to evolve into Politoed - or just the candy to evolve into Poliwrath.

The Sun Stone is another of the new Evolution Items that can be used in conjunction with Pokemon Candy to evolve some of the Gen 1 Pokemon to new Gen 2 evolutions.

Currently, the applicable Pokemon for this item is Gloom, who can evolve into Bellossom using the Sun Stone as well as 100 Oddish Candy, or into Vileplume using just candy.

The Metal Coat is another of the new Evolution Items that can be used in conjunction with Pokemon Candy to evolve some of the Gen 1 Pokemon to new Gen 2 evolutions.

Currently, there are twp applicable Pokemon for this item: Onix, who can now be evolved into Steelix using 1 Metal Coat and 50 Onix Candy. Scyther can also use 1 Metal Coat and 50 Scyther Candy to evolve into Scizor.

The Upgrade is another of the new Evolution Items that can be used in conjunction with Pokemon Candy to evolve some of the Gen 1 Pokemon to new Gen 2 evolutions.

Currently, the applicable Pokemon for this item is Porygon, who can use an Upgrade along with 50 Porygon Candy to evolve inyo Porygon2.

Read more:

Evolution Items - IGN