(also known as the series finale or Episode 12) provides an emotionally heavy and action-packed conclusion to the supernatural saga, though it leaves some viewers divided over its pacing and open-ended nature . Recap & Key Moments

: The epilogue reveals that Goong-tan may not be truly gone, and a new threat emerges involving Yeom-ji, who is shown calling Goong-tan "uncle," strongly hinting at a potential third part or season. Critical Reception

Reviewers from platforms like The Review Geek and Dramabeans highlighted both the series' strengths and its narrative flaws:

: In one of the show's most heartbreaking sequences, Ban sacrifices himself to ensure the barrier is successfully sealed, choosing to end his millennia-long suffering to protect Mi-ho.

: The episode centers on the high-stakes attempt to establish the barrier and seal away the lust demons for good. Mi-ho, finally accepting her identity as Wonjeong, faces a massive onslaught of demons while protected by Ban and Yohan.

: Like the rest of the series, the finale features high-quality CGI and breathtaking cinematography of Jeju Island, which critics noted as a standout feature for a K-drama.

“That last episode was the amount of action I wanted throughout... I didn't want to see Van die but that was a great death for a tragic character.” Reddit · r/KDRAMA