Caim and Angelus' death scene was originally going to be brief, however Yasui ordered the team to remake it into what is in the final cut of the game. An audio recording of Caim's last words was also omitted from the final cut.
Nowe wears Furiae's bracelet around his neck just like Manah wears Caim's bracelet around her wrist, this signifies the passing of the torch between these characters.
Even though Fujisaka is responsible for the art direction, the designs for the dragon models were created by Taro Hasegawa.
In the Japanese version of the game, the song "Alone" plays during Spoiler:Caim and Angelus' death cinematic and the final boss against Legna. The English version the song was replaced with "Growing Wings", likely due to copyright reasons.
There are four weapons that can only be unlocked by hacking the game; Poisontongue, Widow's Death, Writheheart, and Sealaxe: Calamitous Rhythm. However, the Sealaxe (which is a weapon class that can only be used by Urick) was usable as a longsword (a weapon style unique to Nowe).
Early Concept Art shows that the Faerie King was originally going to make an appearance in the game.
Creative Director, Akira Yasui, decided to make Drakengard 2 far more colorful than the first game, wanting to do something that was the "opposite" of Drakengard. As a result, the game contained less mature themes. In a 2013 interview, Takamasa Shiba said that the reason for this was that ##Square Enix### wanted to make a more mainstream game.
The initial concept Taro Yoko created for the game was a space adventure involving dragons, but this was vetoed at an early stage.
Akira Yasui, the game's director, and Taro Yoko, who had directed the original game, suffered from creative differences. Their "love-hate" relationship inspired the weapon story for Kingsblood.
The world map is a map of Eastern Europe.
Before any promotional material for Drakengard 2 was ready, a Japanese magazine created a gag ad promoting the game as a high school dating sim. The promotional art was commissioned by the game's art designer, Kimihiko Fujisaka.