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