Onyx

Onyx Adams is a highly skilled martial artist and former member of the League of Assassins who operates as a vigilante in Gotham City. She is recognized for her exceptional combat abilities and has earned Batman's trust to work alongside him in protecting the city.

Onyx has taken leadership roles in Gotham's underworld and has collaborated with various heroes, including members of the Birds of Prey. Her training and dedication make her a formidable force against crime and corruption.