An Ohio woman who corresponded with Charleston, SC, church shooter Dylann Roof was accused Monday of planning to commit “an upscale mass murder” at a Toledo bar, according to reports.

Elizabeth Lecron, 23, one of two people arrested in terrorism-related cases, was charged with purchasing bomb-making materials that the FBI said she intended to use at the drinking joint, the Toledo Blade reported.

Toledo police received a tip about Lecron’s social media activity and alerted the Northwest Ohio Joint Terrorism Task Force, US Attorney Justin Herdman said Monday.

On Friday, she bought two pounds of a muzzle-loading propellant, and then went to another retailer in Perrysburg, where she bought 665 screws of various sizes.

A raid on her apartment uncovered pipe bomb materials, as well as a semi-automatic rifle and other guns, according to the Daily Beast.

Police also found her journal, in which she allegedly described a plan to commit “upscale mass murder.”

Lecron had previously indicated an interest in other attacks, including unleashing farm animals and “targeting a pipeline in an undisclosed location in Georgia,” according to authorities.

Investigators alleged that she wanted to meet anarchists to help carry out the attacks and told undercover FBI agents that innocent bystanders who might be hurt were “probably part of the problem.”

Lecron also allegedly suggested an attack on her workplace, which she described as polluting a river, the Daily Beast reported.

The woman glorified mass murderers — particularly Roof and the shooters who killed 13 people at Columbine High School in Colorado in 1999 — and displayed “a fascination with mass casualty events,” officials said.

She allegedly visited a Columbine memorial and exchanged letters with Roof, a white supremacist who slaughtered nine worshipers at an African-American church in Charleston on June 17, 2015.

He was convicted in federal court of all counts and sentenced to death.

Lecron, who was one of only four people Roof is known to have corresponded with during his incarceration in an Indiana slammer, faces up to 10 years in prison if convicted.

During the same press conference, officials also announced the arrest of a 21-year-old Ohio man who allegedly planned attacks on synagogues, inspired by the man who killed 11 people at the Tree of Life Synagogue in Pittsburgh in October.

Damon Joseph, 21, was charged with attempting to provide material support to ISIS.

“I admire what the guy did with the shooting actually,” Joseph told an undercover agent about the Pittsburgh shooting. “I can see myself carrying out this type of operation.”

He told an undercover FBI agent on Dec. 2 that he wanted to kill a rabbi during an attack on at least one Toledo synagogue, according to the agency’s affidavit.

Joseph also made notes of what types of weapons and ammunition he would need to carry out the attack.

Joseph was arrested Friday evening when he met an undercover agent to take possession of two AR-15 assault rifles that he believed the agent had purchased for the attack.

If convicted, he faces up to 20 years in prison.

Toledo Mayor Wade Kapszukiewicz said he was grateful to the law enforcement agencies that worked to prevent “a potential catastrophe” in his city.

“We cannot tolerate hate directed toward people of Jewish faith, or of any other religion, and last month’s mass killing at a Pittsburgh synagogue is a reminder of just how real this threat is,” he said.

“As Hanukkah concludes this evening, all Toledoans should reflect on the holiday’s themes of liberation, identity, and most importantly, freedom from religious persecution.”