The nigredo is not a metaphor for feeling bad. Von Franz is describing something literal in the alchemical record — poisonous vapors, lead sickness, explosions — and the psychological parallel she draws is correspondingly precise: bewilderment, disorientation, the specific weight of melancholy that does not lift, the sensation of having fallen through every floor. The old texts name the demon in lead because the operators encountered something that could not be understood as merely chemical failure. It arrived as lunacy, as the spirit's sickness.

What the passage resists is the contemporary instinct to frame this phase as necessary darkness before light, the valley before the peak, suffering as tuition toward wholeness. That reading is already a flight from the nigredo — it uses the promise of what comes next to metabolize what is actually present. The alchemists did not describe dissolution in order to console themselves with calcination's end. They described it because something irreducible was happening that demanded witnessing on its own terms. The demon in lead does not become safe by being named; it becomes audible. That is a different thing. The operator who survives the nigredo is not the one who held the goal clearly enough to endure it. It is the one who stayed present to a process that had no obligation to produce gold.