Death instinct

[психология] желание умереть, инстинкт смерти (подсознательное стремление человека к смерти)

Большой англо-русский словарь

Death instinct

noun an innate and unconscious tendency toward self-destruction postulated in psychoanalytic theory to explain aggressive and destructive behavior not satisfactorily explained by the pleasure principle — called also Thanatos — compare Eros 2

Merriam-Webster's Collegiate Dictionary