For the card version, see .
Vanguard Fighter, Daigo
From the absolutely beautiful, sacred world, swoop down on luminous wings! Sanctuary Guard Dragon!
— Daigo, episode 119
Not much is known about Daigo except that he is famous for being a "legendary fighter". Daigo is a playful character and stands up for justice. In the anime, he is trapped in a space-time warp (as a side effect of the Royal Paladins' sealing). Daigo, both in the movie and the anime, uses a
Royal Paladin Deck. The Royal Paladin Deck he used in episode 83 consisted of White Dragon Knight, Pendragon and Knight of Determination, Lamorak as well as the classic Royal Paladins such as Little Sage, Marron, Flash Shield, Iseult, Knight of Silence, Gallatin, and Soul Saver Dragon.
During the movie, Daigo uses a
Royal Paladin deck which was lended by Hiroki Miura.
anime, Daigo follows using a Royal Paladin deck, now with cards from Cavalry of Black Steel, like White Dragon Knight, Pendragon, focuses on Soul Saver Dragon, and without Blaster Blade.
In episode 119, Daigo uses a new Royal Paladin deck, with cards from the structure deck
DAIGO Special Set. It centers on using Sanctuary Guard Dragon and utilising the Grade 1 or lower units for the activation of Sanctuary Guard Dragon's Limit Break.
Daigo on his debut in Season 3.
Daigo and Eradicator, Vowing Sword Dragon