Rex

Rex is a Dragon-type Trainer and member of the Rikoto Elite Four.

In the games
In Pokémon Solar Light & Lunar Dark, Rex is one of the Elite Four of the Rikoto region. In addition to this, he is the owner of Rassic Castle, but after he was appionted to the Elite 4, he hands over the castle to his most talented student Lizzy.

The first time the player meets him is in the Ancient Pass. He pursues Starla and Derek.

The player meets him a second time at the Ancient Museum.

Pokémon

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Rematch

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Ancient Pass
 Sorry! I need to get through! 

 Lizzy's little brother? Ahh yes, Rich was it? 

 Oh, sorry, but I'm in a hurry, I have no time to talk. 

 I really don't have time! But how about this, you go battle your sister and if you beat her, I will happily accept your challenge! 

 Huh? Who are you three? Never mind, I have no time to talk, I'm searching for some people in strange uniforms, have you seen anyone like that around here? 

 What! You've heard of them?! 

Trivia

 * Rex and Jax keeps their original team in the Rematches in version 1.0.1.