The current title is merely a placeholder.
The Crystal Curse is a curse that was used by the Alchemist guild to engage their plan to bring forth demons to Earth. The curse was initiated by infusing a certain crystal and a "pure orphan" (which acts as a beacon for the summoning) sacrificed to attract demons.
While there may be many before who had been cursed, only two are explicitly named:
The first subject of the curse. The attempt failed, as Miriam fell into a comatose state before the ritual concluded.
The attempt on Gebel succeeded. However, he miraculously survived and used the summoned demons to destroy the Alchemist guild.
People who were affected by the curse and still survive gain access to powerful demonic magic, enabling them to perform feats thought to be impossible for most humans. Abilities granted by the curse include casting powerful spells, creating weapons from thin air, and summon demons from hell for the wielder's purposes.
One of their most recognized powers is the ability to harness magic power from demons by absorbing crystals (known as Shards) from them. Due to that specific ability, they are also known as Shardbinders.
Too many usage of the magical abilities granted by the curse results in the wielder's body crystallizing. It usually starts at the heart and then forms patches around the body. From said patches more crystals will grow until it completely engulfs the wielder, turning them into a solid human-shaped crystal.
Slowing the curse
It has been shown that the curse is able to be suspended by using the Enochian Glyphs to slow and possibly halt the curse's progress. However, overuse of one's powers will cause the glyphs to lose power for a short period of time. This is why Miriam is able to use abilities that would normally engulf her body in crystals, but then have them reseed after using said powers.
- The initial patches of crystals that form on people's bodies give the effect of a stained-glass rose. As the curse spreads, patches of the crystal are shaped like rose petals.
- Bloodstained is the second game in recent years to use the religious language of Enochian in relation to other worldly forces in a video game, the first being the Bayonetta franchise. The demons and angels of the franchise speak Enochian as their primary language.
- The Enochian words that make up Miriam's seal read "COGIGRARASHI", referencing the series creator Koji Igarashi.