There is a level titled " The Ancestral Forge " in Chapter 9.
The title of this specific episode is .
While not episode 9, a famous Season 1 episode involving a legendary blade is titled "Excalibur" (Episode 9 of Season 1 is actually titled "The Leech of Camelot" in some listings, or " Excalibur " is S1E9 in others depending on the region). [S1E9] Forged in Stone (or something)
The content you're looking for most likely refers to the series Fakes . Fakes (2022) — Season 1, Episode 9 There is a level titled " The Ancestral Forge " in Chapter 9