10,000 years ago, Black Rose Dragon fought alongside the Crimson Dragon and the other Signer Dragons in the battle against Red Nova.
5,000 years later, Black Rose Dragon served the Crimson Dragon and fought alongside him and the other Dragons in the battle against the Earthbound Immortals.
Yu-Gi-Oh! 5D's Manga
Yu-Gi-Oh! 5D's (Anime)
Fortune Cup arc
Akiza often materialized Black Rose Dragon through her psychic powers and used it to terrorize people at Daimon Area.
When Akiza faced Gill Randsborg in the Fortune Cup, Greiger called Black Rose Dragon a creature of ill omen that brings forth ruin and destruction, as Akiza Summoned it and used it to severely injure Randsborg.
In Akiza's Fortune Cup Duel against Commander Koda, Akiza became enraged when Koda called her a monster rejected by her parents, causing her to use Black Rose Dragon to viciously attack him.
World Racing Grand Prix arc
During the World Racing Grand Prix, Akiza materialized Black Rose Dragon to stop Dobocle from rampaging in the pre-WRGP party.
Ark Cradle arc
On board the Ark Cradle, Black Rose Dragon saved Akiza, Sherry, and Crow from being crushed by Sherry's collapsing "The Soul-Binding Gate". Afterwards it healed the trio which led Crow to believe that true Psychic powers can also heal, not just cause destruction.
- The dragon does not speak in the Anime.
all information on Black Rose Dragon (Character) came from http://yugioh.wikia.com/wiki/Black_Rose_Dragon_(character)