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