Latios

Latios is a Dragon/Psychic-type legendary Pokemon. In the fifth movie, Latios was captured by Annie and Oakley and uses him to harness the power of the Soul Dew. When he was saved by Ash Ketchum and his sister, Latias, a tidal wave nearly destroyed the city. Right after the tidal wave was stopped, Latios gave his life to save the city and bid a tearful farewell to his sister.