Full list of all 38 ENDER LILIES: Quietus of the Knights achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Witness Ending A
Purify Hoenir Keeper of the Abyss
Unleash the Spectral Lance's full power
Purify Knight Captain Julius
Obtain 15 Blighted Spirits
Obtain 10 relics
Purify Ulv the Mad Knight
Reach level 50
Enhance a Spirit for the first time
Purify Guardian Silva
Obtain 10 Blighted Spirits
Reach 10 Respites
Purify Dark Witch Eleine
Unleash the Giant's Hammer's full power
Purify Gerrod the Elder Warrior
Obtain 5 Blighted Spirits
Reach level 10
Obtain a relic
Purify Guardian Siegrid
Purify Faden the Heretic
Obtain every Blighted Spirit
Obtain all relics
Reach level 100
Purify every Blighted hero
Fully enhance a Blighted Spirit
Fully enhance 5 Blighted Spirit
Fully enhance the Umbral Knight
Attain maximum HP
Attain maximum Prayer Potency
Obtain Findings 24-28
Obtain Finding 45
Obtain all Findings
Reach every Respite
Journey to all maps
Witness Ending B
Witness Ending C
Obtain all Chains of Sorcery
Restore power to the lost amulet