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The main story ofKingdom Come: Deliverance 2follows a linear path that will guide Henry and his companion through their journey. However, if you focus solely on the main story, you’ll miss out on some of the unique and fun side quests that you can undertake by meeting various quest givers.
Halfway through the game, you will reach the second region, Kuttenberg, which is noticeably larger than the previous region, Trosky. There is more to explore here, more to see, more characters to meet, and of course, more quests to complete. The Reliquary is just one of many.

How To Start The Reliquary Quest
After completing the Speak of the Devil quest, head to theforest edge northwest of Sedletz Monastery in theKuttenberg Region, where you will finda small camp with a knight standing there.
Speak to him, and he will ask for yourhelp in finding a specific item for him:Sword of Sir Valentine, which is locatedin the underground basement at the monastery.

How To Find The Sword of Sir Valentine
Make your way to theSedletz Monasteryand enter the chapel. In the center, you’ll finda hole in the wall; go through it to reach the underground area.
From here,head to the entrance on the left side. At the end of this room, you’ll finda sarcophagus.
Interact with it to open it, and Henry will make a comment.
Next,interact with the base of the sarcophagus where it says ‘Examine the lid’, and you’ll be able toobtain the drawing of the sword, which you can use to forge it later.
How To Complete The Reliquary Quest
After obtaining the drawings of the sword, you need toforge a replica of it, which can be done at any Blacksmith station. Before starting, make sure youhave all the required materials, which are:
These can bebought from any Blacksmith or Armorer, except for the Cow skin, which can be purchased from any Butcher in Kuttenberg.
With all the materials ready,begin the forging process, which is the same as any other sword forging. Once completed,you will have theSword of Sir Valentine.
Take the sword back to the knight’s location and hand it over to him. Unfortunately,he will attempt to kill you to avoid putting himself at risk.
At this point, you’ll need toeither pass a Very Hard Presence skill check or fight him; the choice is yours.
If you succeed in the Presence skill check,he will be intimidated and won’t attack you. Instead, he will give youSt. Appolonia’s toothwhich is a useless item.
However, if you fail, you’ll have to kill him, soyou might as well choose that option right away.
Whatever option you go for,it will mark the completion of the Reliquary quest.