The Source breaks an age-old agreement between good and evil by stealing The Hollow, an ancient vapor which he uses to absorb Piper and Paige's powers.
When The Seer foresees the demise of The Source by the Halliwell sisters, he decides to break the covenant between good and evil unleashing the ultimate power, the forbidden The Hollow. He kills the Guardians of The Hollow and uses the dangerous lethal power to absorb the powers of Piper and Paige. Meanwhile, Phoebe has a premonition of Cole sacrificing himself to protect her against a ball of fire, and they try to find in the Book of Shadows means to vanquish the powerful demon and trap The Hollow again.—Claudio Carvalho, Rio de Janeiro, Brazil
The Source is back and out for revenge. Breaking an ancient pact between good and evil, he taps into the ultimate power of The Hollow, which consumes all magical powers, both good and evil and sets out to destroy the Charmed Ones once and for all.
The Source breaks an age-old agreement between good and evil by stealing The Hollow, an ancient vapor which he uses to absorb Piper & Paige's powers. Meanwhile, Phoebe must allow Cole to help them, despite her having a premonition involving Cole sacrificing his life to save her from evil, but there may be more to the premonition that Phoebe just can't see.—Arturo Domínguez