The Florida school shooter's gory, violent fantasies were reportedly detailed in therapy sessions nearly four years before Nikolas Cruz opened fire on Valentine’s Day, killing 17 people.

Cruz attended weekly therapy sessions between February 2014 and December 2015 at Cross Creek, a school in Pompano Beach that specializes in students with behavioral and emotional disorders, according to records obtained by the Miami Herald. In one session on May 3, 2014, Cruz said he had a dream “of him killing people and covered in blood,” the report stated.

“He smiled and told the therapist that sometimes he says things for shock value,” the Broward County schools psychiatric file stated.

The disturbing thoughts prompted school administrators to develop a “safety plan’ that included removing “all sharp objects from the home” and encouraging Cruz to openly discuss his problems.

Therapy sessions in the following months also disclosed the 19-year-old’s obsession with guns and shooting before he engaged in the massacre at Marjory Stoneman Douglas High School in Parkland, Florida. Cruz would talk about researching wars, military and terrorist topics on YouTube, according to the report. His mother, Lynda Cruz — who died in pneumonia in November — explained his son’s obsession developed through “excessive gaming.”

NIKOLAS CRUZ'S MOM, TORMENTED BY HIS BEHAVIOR, WEIGHED SIGNING OVER PARENTAL RIGHTS: FAMILY SOURCE

A family source previously told Fox News that Cruz’s mother often saw her son dressed in military fatigues and headdresses. At one point she told the family source: “He thinks he’s f---ing ISIS.”

Cruz’s violent fantasies continued. He wrote that his “perfect summer” would include him “buying some type of gun and shooting at targets that I set up with large amounts of ammo just for fun for hours.” He added he