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.
Reach level 100
Obtain all relics
Witness Ending C
Restore power to the lost amulet
Fully enhance the Umbral Knight
Obtain all Findings
Journey to all maps
Reach every Respite
Attain maximum HP
Attain maximum Prayer Potency
Fully enhance 5 Blighted Spirit
Obtain every Blighted Spirit
Obtain Finding 45
Obtain all Chains of Sorcery
Witness Ending B
Obtain Findings 24-28
Purify Faden the Heretic
Purify every Blighted hero
Witness Ending A
Fully enhance a Blighted Spirit
Unleash the Spectral Lance's full power
Purify Knight Captain Julius
Obtain 10 relics
Purify Hoenir Keeper of the Abyss
Obtain 15 Blighted Spirits
Purify Ulv the Mad Knight
Reach level 50
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
Enhance a Spirit for the first time
Obtain a relic
Purify Guardian Siegrid