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