"When Frank says that, he delivers. My performances are already at world level.
"I'm sparring in my Newbridge gym with world champions Joe Calzaghe, Enzo Maccarinelli and Gavin Rees under one of the best trainers in the world [Enzo Calzaghe]."
Pryce's bid for a shot at the highest level was supported on Saturday by boxing legend Barry McGuigan, but the man known as 'Sugar Sweet' faces formidable opposition.
Vernon Forrest wears the WBC belt vacated by Floyd Mayweather Jr, while the other major titles are held by Joachim Alcine (WBA), Cory Spinks (IBF) and Sergiy Dzinziruk (WBO).
"I've never ducked anyone in my entire career and I'd happily meet any of them," Pryce told BBC Sport Wales.