Here is the full list of all 49 Hades achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Fulfill the 'End to Torment' Prophecy
Earn all Chthonic Companions
Reach the epilogue of the story
Fulfill the 'Divided by Death' Prophecy
Unlock all Weapon Aspects
Choose 50 different Daedalus Hammer enchantments
Earn the second of Skelly's prizes
Earn the first of Skelly's prizes
Max-rank each standard Keepsake
Fulfill the 'Master of Arms' Prophecy
Fulfill the 'Night and Darkness' Prophecy
Fully Unlock the Olympians' Codex entries
Clear Elysium with the 'Extreme Measures' Condition
Equip a Chthonic Companion
Clear an escape attempt with a hidden Weapon Aspect
Get 20% dodge chance with the Lambent Plume
Have at least one rank in each Mirror of Night Talent
Fulfill the 'Dark Reflections' Prophecy
Fulfill the 'Musician and Muse' Prophecy
Get 30% bonus damage with the Pierced Butterfly
Fulfill the 'Harsh Conditions' Prophecy
Pay for 50 jobs from the House Contractor
Fulfill the 'War-God's Bloodlust' Prophecy
Fulfill the 'Slashed Benefits' Prophecy
Fulfill any 15 Prophecies
Unlock each standard Keepsake
Slay Skelly 15 times
Complete the main quest in the story
Earn a Loyalty Card
Forge a bond with any character
Clear an Infernal Gate without taking damage
Trade 20 times with the Wretched Broker
Earn access to and enter the Administrative Chamber
Catch a fish from each region
Compel Orpheus to sing again
Choose 100 different Olympian Boon effects
Max any Weapon Aspect
Clear an escape attempt
Buy 9 'Well of Charon' items in one escape attempt
Clear Elysium
Unlock each of the Infernal Arms
Use an Olympian's Greater Call against them in a Trial
Use Greater Call to invoke an Olympian's aid
Fulfill the 'Chthonic Colleagues' Prophecy
Beat Thanatos by 15 kills or more
Purge a Legendary Boon
Clear Asphodel
Clear Tartarus
Pet Cerberus 10 times