In this article I start from the reflection on the relationship between the abyss of Theodor Adorno's philosophy (his confinement in the Grand Hotel Abgrund, according to Georg Lukács) and the utopian temper that inhabits it in a spectral way. Specifically, I try to show that the Adornian philosophy, far from being a merely reactive or impotently resigned thought, constitutes, instead, a theory that fights not to resign the power of reason while criticizing modern reason without hesitation. To this end, first of all, I characterize the abyss of modernity as a fissure caused by the contradiction of two vectors, one positive and the other negative. Secondly, I address the expression of that fracture in the pair of opposites subject-object. Ne...