Lost Chest

Level Requirement: 30 - 40.
 
There are rumors that there are 4 chests around the map keeping great rewards to the brave adventurers who decide to explore the Pokémon World.
 
The first is located in the region of Cerulean, to the west of the city, being protected by poisonous Pokémon.
 
The second in the area of Pewter, northeast of the Pokémon Center, with many Pokémon type rock, earth and fighter protectint the treasure.
 
The third is located to the east of the abandoned town of Lavender with several Pokémon Psychic-type protecting him.
 
The last is in the main Island of Seafom in the underground, along with several Pokémon type ice and water.