Mark Detection: Detect Poison and Disease

• Type: Effect leaf
• Candidate path: Mind skills → Spellcraft → Biological and chemical detection
• Prerequisites: Spellcraft Training
• Source: Mark of Detection
• Source effect summary: Keep Detect Poison and Disease prepared; cast it once per long rest without a spell slot or by spending a spell slot.
• Ninefold Wheel effect: Candidate clause; adapt to toxins, pathogens, and machine corruption.