To get them, you’ll have to give Nectar to the right characters. They can be equipped in the display case in the armoury and get upgraded with use.
Old Spiked Collar - Cerberus
Increases maximum health.
Myrmidon Bracer - Achilles
You take less damage from the front but more from the back.
Black Shawl - Nyx
You deal more damage striking undamaged foes, also from behind.
Pierced Butterfly- Thanatos
You gain damage dealt for each encounter you clear without taking damage.
Bone Hourglass - Charon
Increases duration of items from the Well of Charon.
Chthonic Coin Purse - Hypnos
You start the match with up to 150 gold coins.
Skull Earring - Megaera
You deal more damage while your health is at 35% or less.
Distant Memory - Orpheus
Deal more damage to distant foes.
Harpy Feather Duster - Dusa
The urns you break have a certain % chance of containing healing items.
Lucky Tooth - Skelly
You can restore once per run (apart from Death Defiance and Stubborn Defiance).
Thunder Signet - Zeus
Makes the next Boon you find be from Zeus and increases the chances of it being rare or better.
Conch Shell - Poseidon
Makes the next Boon you find be from Poseidon and increases the chances of it being rare or better.
Owl Pendant - Athena
Makes the next Boon you find be from Athena and increases the chances of it being rare or better.
Eternal Rose - Aphrodite
Makes the next Boon you find be from Aphrodite and increases the chances of it being rare or better.
Blood-Filled Vial - Ares
Makes the next Boon you find be from Ares and increases the chances of it being rare or better.
Adamant Arrowhead - Artemis
Makes the next Boon you find be from Artemis and increases the chances of it being rare or better.
Overflowing Cup - Dionysus
Makes the next Boon you find be from Dionysus and increases the chances of it being rare or better.
Lambent Plume - Hermes
Makes the next Boon you find be from Hermes and increases the chances of it being rare or better.
Frostbitten Horn - Demeter
Makes the next Boon you find be from Demeter and increases the chances of it being rare or better.
Cosmic Egg - Chaos
Lets you enter the Chaos Gates without losing health. Increases the chances Blessings from Chaos being rare or better.
Shattered Shackle - Sisyphus
Increases your Attack, Special and Cast damage when you don’t have a Boon.
Evergreen Acorn - Eurydice
You won’t take damage in the final boss encounters for a certain number of impacts.
Broken Spearpoint - Patroclus
Makes you invulnerable for a certain amount of time after taking damage. It takes a few seconds to refresh.
Pom Blossom - Persephone
After a certain number of encounters, a Boon grows stronger.
Sigil of the Dead - Hades when you finish the game
Makes you invisible until you attack. At Max Gauge you become Unseen and no enemy or boss will try to attack until it wears off, plus you can attack while invisible.