His Dark Materials 2x4 -

: Will fights for and wins the legendary Subtle Knife (Æsahættr) from Giacomo Paradisi, the current bearer, in a brutal struggle that costs Will two fingers—the mark of the knife's bearer.

: The discussion explains that the city's ruin and the Spectres' presence are due to the Guild of the Tower opening too many windows between worlds for trade and theft, which eventually tore the fabric of reality.

In His Dark Materials Season 2, Episode 4, titled "," the story reaches a pivotal turning point as Will and Lyra finally enter the mysterious tower in Cittàgazze. His Dark Materials 2x4

: Lyra and Will must use the knife to retrieve the Alethiometer from Lord Boreal (Sirs Charles Latrom), who stole it from Lyra earlier in the season.

S02E04 - Tower Of The Angels [UK Release] : r/hisdarkmaterials : Will fights for and wins the legendary

For those looking for a deeper dive, the episode breakdown on Reddit is highly recommended as it recaps the major emotional beats and technical lore of the Subtle Knife.

A particularly useful post for this episode can be found on the r/hisdarkmaterials subreddit. It provides a detailed breakdown of the episode's lore and key plot points: : Lyra and Will must use the knife

: This episode also features Lee Scoresby finding Stanislaus Grumman (John Parry), who is revealed to be Will's long-lost father.