Is This an Event Character? (R:1 BBS)

After Encountering Elk and Mia

Girl

Author: TAO

I saw a strange character in the dungeon of:
Δ Expansive Haunted Sea of Sand.

It was a little girl with long hair, but it didn't
look like another player. She was kind of white –
like a ghost and moved without a sound. Oh, and
the music might have stopped too!

I could be mistaken, but if anyone sees her,
please tell me