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How will the Power of Three operate in season 4 of the CW’s Charmed? That’s the question being posed after the news that one of the three leads will be leaving the show at the end of the third season.

Madeleine Mantock has confirmed to TVLine that she will not be returning for the fourth year. “Playing Macy on Charmed for the last three seasons has been an immense privilege and I have so enjoyed working with our fantastic producers, creatives, cast and crew,” Mantock told the website.

“We wish her well, and the door is always open for a return visit from Macy…one way or another!” showrunners Liz Kruger and Craig Shapiro told TVLine.

The season 3 finale airs on Friday, with the official line: When an encounter with the Whispering Evil leaves Macy on the brink of death, Mel and Maggie cast an ancient spell sending the Charmed Ones off on a series of epic adventures. Meanwhile, realizing only a Whitelighter can save Macy, Harry asks Jordan and Celeste to help him do the unthinkable.”