Aggressive depigmentation

Aggressive depigmentation is the loss of colour that occurs in the sentio metallico of a Cybertronian after the Spark leaves a body, leaving the body various shades of grey.

Fiction

IDW Generation 1 continuity

Aggressive depigmentation set in almost instantly after a Spark expired. Rage, Rage

After the initial Expansion, Nemesis Prime's body turned grey upon his essence returning to the Dead Universe. Black Planet

When dying from personality ticks, Thunderclash's body succumbed to aggressive depigmentation before the ticks were defeated and he regained his palette. The Frail Gaze Skids's body lost its colours upon his demise. Rage, Rage After being exposed to the energies of the Talisman, Centurion succumbed to depigmentation. Ghost in the Machine

While travelling back to the Lost Light, Ratchet inexplicably succumbed to aggressive depigmentation despite being alive. Sardines

Trivia

• Aggressive depigmentation is, of course, a fancy name for the long tradition of Transformers turning grey upon death.