The Ultimate Battle

Summoning The Hollow
Billie and Christy, holding hands with Wyatt, are summoning the Hollow. The Charmed Ones summon the Hollow in the same moment.

The Final Battle
Billie and Christy throw fire, and The Charmed ones throw electrokinetic blasts. The power is so strong that it cause the Manor to explode. That way Paige, Phoebe and Christy died. The Hollow returns to it's place.