This is Herms he is the god of speed. Hermes was also an expert with bow and arrows. Hermes was related to Hades and Zeus, giving him the hate and power of both Gods.
Hermes was reading about the God of Water, Poseidon. He realised that this god is an threat to Hermes power’s. He used his speed and ran in a straight line until he entered the speed force to go back in time and try to erase Poseidon from time.
He encountered Poseidon and he pulled back his bow and he released the string and the arrow flew at Poseidon.