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