How does eurymachus convince Odysseus from killing all the suitors?

Eurymachus tries to shift the blame onto the suitor Antinous, claiming that he was the mastermind behind their misdeeds. He also offers restitution by promising to repay whatever was consumed by the suitors and cover the damages. Eurymachus appeals to Odysseus' mercy and asks for forgiveness, hoping to avoid his wrath.