Phaeron Sylphek awoke consumed by an obsession with the stars themselves, announcing to his bemused court he wished to drape himself in their molten glory. To placate their lord, the Crypteks of the Nephrekh crafted him a living-gold skin a gift he has shared with his followers so that they might embody the glory of the triple suns of Nephrekh as they do battle.
— Warhammer 40,000: Codex - Necrons
Gone were the battle-trophies and tokens of honour theyd worn the day before; theyd stripped their armour bare and smudged the gleaming surfaces with dirt and soot to minimise any telltale glint that could give their position away.
— The Space Wolves subverting this trope to prepare an ambush, "Wolf At The Door"