16 h 30 m, 24 jun 2010 ano - The trio face Alcyoneus and free Thanatos.

Descrição:

After losing a whole day from being chased by gryphons, they finally find their way to Hubbard Glacier using Arion and Frank frees Thanatos. Frank discovers the "family gift" of transforming into any animal and manages to make Alcyoneus faint. Hazel drags him out of Alaska using Arion and kills him because Alcyoneus can't be killed in his birthplace. Percy find the legion's eagle in one of the ghosts revived by Gaea.