Roy is destroyed and describes the demolition of the Achaean wall by Poseidon and Apollo. In order to destroy the wall, Apollo will have merged together the streams of several rivers causing the flood which will have lasted for this number of days:

Explanation:

Homer explains that though Troy was on the verge of destruction and defeat, the Achaean wall stood firm and strong. The mightiest of the Trojans warriors were all defeated and the city was on the verge falling down yet the wall was the only remaining structure in Troy.

However, Poseidon and Apollo wanted to completely destroy the city. They decided to destroy the last standing trail of the city by taking it down. Apollo  merged together the streams of several rivers causing the flood and turned the flood against the wall for nine days consecutively.

balearic sea - is a body of water in the mediterranean sea around the balearic islands. baltic sea - is a mediterranean sea of the atlantic which is enclosed by scandinavian and baltic countries. barents sea - is a marginal sea in the artic ocean located off the northern coast of norway and russia.