There is no river "Hate".
In the underworld flows the river Styx, and from there you can collect "good" and "bad" water that has the power to effect people in those ways.
Styx is Greek; the Underworld river of hate or gloom to which the gods and goddesses of mythology swear oaths upon.
The river Styx
pass the river styx
The river Styx.
river sty
In Greek Mythology, Lethe is the Underworld river of oblivion/forgetfulness.
The River Styx.
The nickname for Eridanus is "The River". It is named after a river in Greek mythology.
Goddess of the underworld (River Styx)
His sandals
Creatures from Greek Mythology include the Sphinx, the Minotaur, satyrs (usually guards), the Hydra, Cerberus, and Medusa. Non-mythological creatures are the flaming skulls and river monsters on the River Styx.