Thalia and the hunters abducted Reyna Avila Ramírez-Arellano in San Juan and took her to her sister Hylla Ramírez-Arellano. She explained that the hunters and Amazons have been fighting monsters while the demigods have been fighting each other. Orion then attacked their stronghold, killing many Hunters and Amazons though Thalia and Hylla manage to survive. When Nico and Hedge appear, she protects them while they and Reyna shadow travel away. She survives the battle.