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