The paper does a critical approach to the possibility of constitute legislatures through sortition as innovative compound mechanism instead of elections, as a formula to face the so-called crisis of democratic representation. Although there are certain advantages of this innovative proposal for reinforce plurality and diversity in democratic and deliberative processes, sortition as proposal also have some perils and limitations. Nevertheless, there is a possibility to include sortition nor to substitute election but to complement and improve them. Realization of innovation during legislative processes in which sortition has a central role, and conformation of mini publics integrate by people randomly selected can ensure accountability processes of the legislative actions.