Read the passage below and answer the question.
The strife between Odysseus and Achilles, Peleus' son...how once at the gods' lavish feast the captains clashed in a savage war of words, while Agamemnon, lord of armies, rejoiced at heart that Achea's bravest men were battling so. For this was the victory sign that Apollo prophesied at his shrine in Pytho when Agamemnon strode across the rock threshold, asking the oracle for advice – the start of the tidal waves of ruin tumbling down on Troy's and Achea's forces, both at once thanks to the will of Zeus who rules the world.
This is an example of which epic convention?
A.lengthy speech digression
B.epic
C.simile
D.invocation