Adorno's criticism of Metaphysics in the Negative Dialectics

Adorno criticized metaphysics in his book, Negative Dialectics.The main target are the identity,concept imperialism and system which among the traditional metaphysics. He think the identity thought need to be criticized because it destroy the variety and peculiar in the phenomenon world and want to dispel every contradiction. Meantime, Adorno also repudiate Heidegger' view of metaphysics,especially the his concept of Being and Existential ontology. In the end, Adorno bring forward his negative dialectics and constellation concept where the negative dialectics lives in.