Untitled AI art by @vivid-treehouse1

Background: A San Francisco night sky with the Golden Gate Bridge in the background, illuminated by ethereal glows. Characters: The four Halliwell sisters (Piper, Phoebe, Paige, and Prue) in the foreground, standing in a circle with clasped hands. They should be depicted wearing dark, elegant clothing, reflecting their maturity and power. Magical Elements: Glowing runes or magical symbols floating around them, symbolizing their connection to the Power of Three. Cole: A demonic shadow figure behind them, representing Cole's threat. Colors: Use dark hues with gold or blue accents to evoke magic and mystique. Title: "Chronicles of Eternal Darkness" in gold gothic letters, with "Book 1: Eternal Shadow" in smaller letters below.