The crossbow is generally a symbol of strength, agility, and being a protector, a fighter, or a hunter and the Mariner manages to reverse those associations with the centuries-old weapon by killing a creature that symbolizes guidance, humanity, and hope.
Why is the crossbow important?
Crossbows were in use in China by the fifth century BCE and quickly became an important element in the warfare of the Warring States period. ... They became popular for the defense of royal entourages and for hunting; the later multiple-firing crossbows were intended for military campaigns.