Fully upgrade the Potion tree.

Complete mission "Lair of the Harpy".

Acquire all the Abilities in one tree.

Fully upgrade one weapon to its final tier.

Win a duel.

Complete mission "Beneath the Meridian".

Open a Night Chest.

Complete a task from Hermes's Heroic Tasks Board at the Hall of the Gods.

Complete mission "Atlas, At Last".

Win a round of Arms Race.

Find and take 80 items from the world.

Attach a mod to a weapon.

Meet Hermes.