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