Bo witnesses the power these dark witches can command.
26987
Mrs. Parker ties Bo into their vicious circle.
26988
The charm around Caroline's neck grows brighter as the magic builds.
26928
An important thing to note is throughout the season, Bo got the sense she was being watched by ... something. This mysterious entity was dubbed "The Wanderer," due to the soft melody of the eponymous Dion and the Belmonts tune that would play whenever the presence was around.
26989
Bo sees an ominous sign that she takes to be the signature of her hidden father.
26990
Bo realizes that the only way she's going to be able to save Lisa from having to kill again is by using her own power to subvert the others'.
26991
Standing in the full flow of her strength, Bo makes her move and ends this little game.