In this text, the Numantians
defend their city against the besieging Romans and display their hardiness and valor through a collective suicide that leaves the Roman general Cipion with neither conquered city (the Numantians
destroy all their possessions) nor glorious military victory.
Examining La Numanica through the philosophical and political lenses of Max Horkheimer, Edmund Burke, and Immanual Kant, Checa argues that Cervantes's play stages Horkheimer's concept of "subjective reason" such that the Numantians
' sublimely heroic suicide forces them to betray their own social values.
Salas Viu which emphasized the obvious parallels between the resistance of the Numantians
and that of the Republican Loyalists:
De Armas' chapter on Lucan and "necromantic" imitation is one of the strongest, reflecting upon the scene of pagan necromancy in which the besieged Numantians
receive an enigmatic prediction of their impending self-destruction.