Claressa Shields issued a warning to Jake Paul: Stay away from “real fighters.”

Shields, speaking to TMZ Sports, was critical of the fight between the YouTube personality and retired NBA player Nate Robinson — which Paul won by knockout — on the Mike Tyson-Roy Jones Jr. card on Nov. 28 in Los Angeles.

She called that fight a “mockery,” saying actual boxers, those who have devoted their lives to the sport, should’ve gotten the exposure – and money – Paul and Robinson did.

The two-time Olympic champion and multi-time pro titleholder added that Paul should stick to fighting other celebrity non-boxers or he could pay a price. She said he can’t beat a professional boxer, including her.

“Jake Paul is making his money, he’s doing his thing, but stay away from us real fighters,” Shields told TMZ. “And anybody out there that say, ‘Oh, Jake Paul will destroy her because she’s a woman.’ … I’m the greatest woman! So, no, Jake Paul won’t do nothing with me and if he think he can, he can come see me.

“… I’ve been boxing for 14 years, two Olympics but they would still give Jake Paul the nod because he’s a man. And it’s like, you guys don’t know nothing!”

She went on: “I, Claressa Shields, will whoop Jake Paul’s ass! He can come in the ring weighing 180 pounds and I will come weighing 168 and I will beat the s— out of him!”

Shields said she would donate her earnings to battle the water crisis in her hometown of Flint, Mich.