An out-of-control MMA fighter was hit with assault charges for allegedly beating up a 22-year-old woman inside a Lower Manhattan apartment building, police said.

Renfro Solomon, 29, nicknamed “The Black Dragon,” was arrested after cops responded to a 911 call at 47 Madison St. in Chinatown around 5:55 a.m. Sunday and found the victim with scratches and bruises on her chest and arms, the NYPD said Monday.

The woman was treated at the scene by EMS while Solomon was taken in for questioning.

He was charged two hours later with assault, aggravated harassment, criminal mischief and criminal possession of a controlled substance police said.

According to ESPN, Solomon is a Mixed Martial Arts welterweight who has an 11-6 record.

Records show that he was arraigned in Manhattan Criminal Court on Sunday and referred to court-ordered problem solving program and is due back in court on Nov. 18.