His physical form is a towering black demon with glowing red eyes, and Sung-jin warns not to make eye contact with him.
Retrieved July 22, 2021 — via Naver.
Unfortunately, the meeting never happened.
Others have seen it on different platforms.
And since this is a fantasy, legend kind of sageuk, we can probably put our trust in that.
But I think her acting skills are not versatile enough.