Hubris, or less frequently hybris, is extreme or excessive pride or dangerous overconfidence and complacency, often in combination with arrogance.
Illustration for John Milton's Paradise Lost by Gustave Doré (1866). The spiritual descent of Lucifer into Satan is one of the most famous examples of hubris.
Votive relief of Nemesis as protector of gladiators treading on Hubris, 2nd-century, Archaeological Museum of Patras, Greece
In ancient Greek religion and myth, Nemesis, also called Rhamnousia, was the goddess who personified retribution for the sin of hubris: arrogance before the gods.
Hubris
…the Fates (Μοῖραι) had assigned each being with a particular area of freedom, an area that even the gods could not breach. Legal usage Votive relief of Nemesis as protector of gladiators treading on Hubris, 2nd-century, Archaeological Museum of Patras, Greece In ancient Athens, hubris was defined as the use…
Farnese Nemesis, National Archaeological Museum of Naples
Relief of Nemesis trampling an enemy and flanked by small figures of Nike, 3rd century CE (Brindisi, Museo archeologico Francesco Ribezzo)
Justice (Dike, on the left) and Divine Vengeance (Nemesis, right) pursuing a murderer, in a painting by Pierre-Paul Prud'hon, 1808
Engraving of Nemesis by Albrecht Dürer, c. 1502