Find them and then talk to them and they shall give them to you.
It does not have a known name apart from 'trident'.
a trident
His Trident.
Hades is king of the underworld because he was caught trying to steal his brother Poseidons trident and his other brother Zeus lightning bolt. As a punishment Zeus banned Hades to the underworld forever.
you don't
He uses a Trident.
Use Hades's crown and Poseidon's trident to fight him.
zeus: lightning bult paceidon: trident hades: skull crown
You get hades crown and posidens trident.
No, Lightning is the weapon of Zeus.
After you have the Hades Crown and the Trident from Poseidon, use the mirror to travel to the gate of Olympus (lightning bolt symbol at top). Hercules will smash open the lock and you can enter Olympus.
Hades crown and Poseidon's trident