Uploaded September 2025 | Updated September 2026, 2 weeks ago

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Hollow Knight Silksong - All Plasmium Locations Guide (Alchemists Assistant Wish)

There are a total of 3 Plasmium you need to find and extract in the Wormways section of Silksong. This video will show you where to find all the Plasmium in Silksong required. You need to equip the Needle Vial tool in order to extract the Plasmium.

All Plasmium Locations in Silksong:

[0:00] Plasmium 1
[0:41] Plasmium 2
[0:57] Plasmium 3
[1:42] Alchemist's Assistant Reward & Quest End

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