Direct answer
Complete the prerequisite: Fader Go to the location: Camp — The Bog Witch Choose a listed purchase; pay its price. Pay and purchase: Fiery Spice Powder ×5 — 200 Coins Pay and purchase: Fiery Spice Powder
The Bog Witch — Fader · Shop unlocks

Result
Complete the prerequisite: Fader → Choose a listed purchase; pay its price. Pay and purchase: Fiery Spice Powder ×5 — 200 Coins
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