Item: Corrosive Engravings

These tin sheets are bound in brass and show significant signs of erosion. The grimoire's title is acid-etched, and flipping between the sheets leaves your fingers covered in flecks of rust and powdery metal.

Activate F (concentrate)

Frequency once per day

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Effect If your next action is to cast an acid or poison spell that deals persistent damage, any creature who takes persistent damage from the spell is also Sickened 2 until the persistent damage ends. Using an action to retch can reduce the sickened value as normal, but it can't reduce the sickened value below 1 until the persistent damage ends.