To locate the final Plasmium Bud in Hollow Knight Silksong:

• Head to the southwest area of the Wormways
• Enter the large chamber on the left and travel west
• Collect the bud and return to Zylotol

Alchemist’s Assistant Quest Rewards

• Plasmium Phial – A red tool providing Hornet with:
  • +1 temporary health mask
  • 20 total uses per charge
  • Rechargeable via benches or payment to Zylotol

FAQ

• Where does the quest start?
  In the Wormways west of Mosshome, accessible with a Simple Key
• Who issues the quest?
  Alchemist Zylotol, who requests three Plasmium Buds
• Main reward details?
  The Plasmium Phial grants temporary health boosts for challenging encounters