Pokémon Diamond and Pearl/The Elite Four

The Elite Four are the last bosses. After defeating them, you face the champion.

Ryō
As the first member of Elite Four in Sinnoh, Ryō is a Bug-type expert. He has a variety of Bug-type Pokémon, ranging from Level 53 to Level 57.

His main strategy is to induce status problems on his opponents and deal damage directly or indirectly. Without using status-healing items while battling, it is quite difficult to defeat him.

His Pokémon are Dustox, Heracross, Beequeen, Beautifly and Dorapion.

Kikuno
She is the second member of Elite Four and is a Ground-type master. Her Pokémon are, , , ,and.

Oba
While focusing on Fire-type Pokémon, Oba mixes his team with various Pokémon with different types to stand an advantage against his opponents. His Pokémon are, , , , and.

Goyō
Goyō is known to read books in between matches. Most of his Pokémon are dual-type. Goyō's Pokémon are, , , , and. Using a lot of items and strong Psychic-type moves, he is a tough trainer to defeat.

Shirona
Shirona is the first female league champion in the games. Her Pokémon include, , , , , and.