Blasphemous

Blasphemous

45 Achievements

25-30h

GOG
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Detestatio Sacrorum

Detestatio Sacrorum

Complete all the arena’s challenges.

13.3%

How to unlock the Detestatio Sacrorum achievement in Blasphemous - Definitive Guide

In a cave at the Graveyard of the Peak you can find a white pearl right next to a statue of confessors. You have to equip it and die 3 times. It turns into a new item called "weight of true guilt".
Now you can enter the portals, which appear when you destroy these statues. In there you have to fight 5 waves of enemies.
You have to beat all 7 arenas to unlock this achievement. If you do that you also unlock Ending A at the end of the game.
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28 Aug 2020 15:48

You can find the combat arenas by destroying the Confessor Statues found at various points throughout the game and entering the portal they leave behind. However, you can only enter the portal(s) with the Weight of True Guilt rosary bead equipped (see Mysteria Lucis for more information). Once you enter a combat arena, defeat all enemies to complete it. To have the easiest time with them, wait until you have collected all other upgrades. They will be a breeze after that. You can find the statues here:
  • Mercy Dreams. Right at the beginning of the area, up and right of the first area.
  • Graveyard of the Peaks. Where you initially found the Immaculate Bead, to the left of the Prie Dieu.
  • Brotherhood of the Silent Sorrow. Use the lower entrance, it is the fourth room on the left.
  • Grievance Ascends. Use the top right exit on the second shaft.
  • Library of the Negated Words. Two screens to the left of the Prie Dieu, at the top of the vertical shaft.
  • Mother of Mother's. In the room before Archcathedral Rooftops. Use the lower right exit.
  • Wall of Holy Prohibitions. From where you fought Quirce, go top left.

IMPORTANT:

Note that completing all seven arenas will transform your Thorn quest item into the Cvstodia of Sin, locking you out of Ending B if you haven't gotten it yet (see Path of the Unworthy for more information)!
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