Euphoria star Angus Cloud‘s cause of death has been revealed.

According to Variety, the Alameda County Coroner’s Office confirmed the actor passed away from an accidental drug overdose of fentanyl, cocaine and methamphetamine.

Cloud died suddenly on July 31 at the age of 25. His mother called 911 for a “possible overdose” that morning, after which first responders declared him deceased at the scene.

Cloud’s family released a statement announcing his passing, saying he had “intensely struggled” with the recent death of his father. “It is with the heaviest heart that we had to say goodbye to an incredible human today,” they said at the time. “As an artist, a friend, a brother and a son, Angus was special to all of us in so many ways.”

The statement continued, “Last week he buried his father and intensely struggled with this loss. The only comfort we have is knowing Angus is now reunited with his dad, who was his best friend.”

Cloud made his name as a breakout star in the hit HBO series Euphoria. He was scouted specifically for the show, launching his memorable career in television and film. After Euphoria Season 2 ended on a major cliffhanger for his character, fans of the series were excited to see what was next for Cloud on the show. He was also slated to appear in Scream 6 before his death.

After his passing, his Euphoria co-stars remembered him as a “good soul” and their “forever family.”

Series creator Sam Levinson also recalled Cloud’s personal struggle “with addiction and depression.”

“There was no one quite like Angus,” he said,  per Deadline. “He was too special, too talented and way too young to leave us so soon… I hope he knew how many hearts he touched. I loved him. I always will. Rest in peace and God Bless his family.”

HBO also issued a statement following his untimely death.

“We are incredibly saddened to learn of the passing of Angus Cloud,” the company shared. “He was immensely talented and a beloved part of the HBO and Euphoria family. We extend our deepest condolences to his friends and family during this difficult time.”

If you or someone you know are experiencing suicidal thoughts, call the Suicide and Crisis Lifeline 24 hours a day, 7 days a week at 988.

If you or someone you know is struggling with substance abuse, call the SAMHSA National Helpline at 1-800-662-4357.