Blue Dragon
BLUE DRAGON (original)
When young Shu’s village comes under attack, he awakens the legendary Blue Dragon, a shadow of immeasurable strength, and begins a quest to master his shadow power and rescue the world from the forces of Darkness.
Starring Keiko Nemoto, Erino Hazuki, Masaya Takatsuka, Romi Park, Jin Horikawa
It's a action & adventure and animation show, and has a rating of 6.3 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from United Kingdom.