[s2e18] Night Has A Thousand Eyes -

The powerful witch Dahlia arrives in New Orleans to claim baby Hope. She demonstrates her power by possessing various townspeople and even Jackson to deliver messages.

In a shock ending, Klaus kills Mikael with the White Oak Stake. Since the "Other Side" no longer exists at this point in the series, this was intended as his final exit. [S2E18] Night Has a Thousand Eyes

The episode title and Dahlia's dialogue reference the idea that power comes with a price. Her claim on the Mikaelson first-borns is framed as a "debt" for the fertility spell she cast for Esther centuries ago. The powerful witch Dahlia arrives in New Orleans