As you play throughLies Of P, you’ll meet some merchants selling equipment and items and other NPCs who may need your help. These NPCs typically request that you find specific items for them. If you’re lucky, they might provide you with a cryptic clue to help you locate the item.

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When you reach the St. Frangelico Cathedral Library Stargazer, you may talk to Sister Cecile, who is on the left side of this room. After your interaction with her, she will request that you find the Archbishop’s Holy Mark for her.

How To Find Archbishop’s Holy Mark

You’re in luck because the Archbishop’s Holy Mark isn’t too far from where you are.

Starting from the St. Frangelico Cathedral Library Stargazer, exit the room using the left door and move ahead.

P standing in the hallway Lies of P

Stick to either the left or right sideto avoid an arrow trap in the middle.

Next,take the right pathand proceed cautiously,watching out for holes in the groundthat lead to lower levels.

P standing next to the area where there would be Decay water Lies of P

Here, you’ll encountersome enemies and sticky substances on the wall that may drop on youif you get too close, so deal with them carefully.

Once you go up,keep moving forward and take a left turn. You’ll find yourself on the upper level of the same room.

P standing in the room where you will fight the elite enemy Lies of P

From here,follow the path down to your right, and you’ll entera room with water that inflicts the Decay status effect.

If you’re wondering how to cure Decay, you may use theAttribute Purification Ampoule.

P in the room where the Archbishop’s Holy Mark is Lies of P

After you move quickly through the Decay water andhead left, you’ll reach another room with enemies, butavoid fighting them in the water. Instead, you’ll seean entrance on the far left of this roomthat leads to the upper floor.

In this upper room, you’ll have to fight an elite enemy. If you havea fire-based weapon, it’s a good choice to use here.

P interacting with Cecile Lies of P

After defeating the enemy, you’ll find two entrances: one in front of you and another to the right side of the room.Take the one on the right and head up.

Be cautious asone enemy will rush at you from the right side after the first set of stairs.

Once you reach the end of this path, you’ll come acrossa broken passage that leads to the other side. Follow it.

Finally, you’ll reach a room in front of you withan enemy and the same sticky substancesfrom earlier.

After you deal with them, you’ll be able to pick up theArchbishop’s Holy Mark.

With this item in hand,return it to Cecileand interact with her to give her the item.

She’ll be pleased and reward you with theAttribute Resistance Ampoule.

If you defeatFallen Archbishop Andreus, you may return to Cecile’s location, and you’ll be able to pick upCecile’s Written Confessionand theDivine Service Record.