The extremity of the chaos described is suggestive of the level of power only a god would have, which immediately distinguishes Achilles from ordinary mortals.
Poseidon was considered to be the bad-tempered, moody and greedy god among the Olympians. Once insulted, he would revenge himself, like he did in the case of Odysseus, who brutally . Poseidon loved to cross the oceans and seas with his golden chariot surrounded by dolphins.
The Song of Achilles by Madeline Miller - Goodreads