In "The House of Hades," Leo experiences a surge of anger as his hands ignite with flames, indicating his intense emotions. He considers using his powers to transform Gaea's sandy face into glass, representing his desire for revenge against the earth goddess. This moment reflects his deep rage and frustration towards Gaea.

However, just as Leo's fury escalates, he feels the calming presence of Calypso, who places her hand on his shoulder. Her voice, both firm and reassuring, reminds him of the gravity of the situation, emphasizing that Gaea is not welcome. This interaction highlights the balance between Leo's volatile emotions and the grounding influence of his companion, Calypso.