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