Hades Mirror of Night Guide will help you get the best upgrades for Zagreus.
The Mirror of Night is located in Zagreus's room, and you spend Darkness you've acquired to upgrade skills. Each Mirror ability has two forms that you need to get separately. Only one version of the ability can be used at a time.
Hades Mirror of Night Guide: All Upgrades
Shadow Presence- Gives +10% damage per rank on attacking an enemy from behind.
Fiery Presence- Gives +20% damage on attacking undamaged enemies.
Chtonic Vitality- Restores one health per rank when entering a chamber.
Dark Regeneration- 30% of any Darkness collected restores health by that much per rank.
Death Defiance- Restores health by 50% when your Life Total depletes, uses equal to rank.
Stubborn Defiance- Restores health by 30% per chamber when your Life Total depletes, uses equal to rank.
Greater Reflex- Gives you +1 Dash before recovering per rank.
Ruthless Reflex- Dashing before being hit gives you +50% damage and 2 second dodge chance.
Boiling Blood- Give you +10% Attack and Special damage per rank on enemies with Ammo in them.
Abyssal Blood- Reduces enemy's speed and damage by 5% per rank while they have ammo in them.
Infernal Soul- Gives +1 Ammo for each Rank.
Stygian Soul- Ammo regenerates, no longer drops. Each rank regenerates ammo one second faster.
Deep Pockets- Gives you 10 Obols at the start of each escape per rank.
Golden Touch- Gives you +5% Obol to the clear total per rank.
Thick Skin- Gives +5 Health for each rank.
High Confidence- Gives +5% damage per rank while you're over 80% health.
Privileged Status- Gives +20% damage per rank against enemies with at least two Status Curses.
Family Favorite- Gives you +2.5% damage per rank for each Olympian Boon.
Olympian Favor- Give Boons a 1% bonus chance per rank for a Rare effect.
Dark Foresight- Gives +1% chance per rank for Gold Laurel rewards.
God's Pride- Give Boons a 1% bonus chance per rank for an Epic Effect.
God's Legacy- Gives an additional 1% chance for a Legendary or Duo Boon.
Fated Authority- Gives a die per rank to alter rewards for the next chamber.
Fated Persuasion- Gives a die per rank to alter Boon and Well of Charon choices.