(Reimburse) Black Dragonrider Atna

Lore
As the dragon approached, they saw a woman riding upon its back. Clad in the same dark armor as the beast's hide, she addressed the weary fighters. (Take ease. We are here to deal the finishing blow to your enemies and repay our ancient debt.)

Acquisition
See (Frightful) Black Dragonrider Atna

Name origin
?

Additional Info
Defensive Skill Card of the Battle Royale LXXXI.