Weapons
Poseidon's weapon was a trident. It is a three pointed spear. The trident is the power of the ocean for Poseidon. It is also his weapon.
Powers
The powers of Poseidon is that he was the god of the sea, sea animals, storms, earthquakes, and horses. He can control all of the sea.
Attributes
Poseidon is characterized similar to Zeus. He is more violent and less predictable than Zeus. It is also different to see that Poseidon is more a sea or ocean god, but he is also the god of earthquakes and horses.