Lethal Damp Blood Gem

A blood gem that fortifies weapons and adds various
properties. Blood gems are especially rare blood stones that
grow on coldblood.

Blood gems are kneaded into weapons using workshop tools,
but only when of matching shape.

Most triangular blood gems have effects that provide attribute bonuses and extra effects.

Lethal Damp Blood Gem is a material Item in Bloodborne. They can be slotted in to Blood Gem Imprint slots in weapons to add an effect to a weapon. Blood Gems require the Blood Gem Workshop Tool and can be slotted and unslotted at the Workshop.


Lethal Damp Blood Gem Information

  • Increases health regain from Rallying (percentage)




  • Research Hall: first area, inside a pool of bodies (after raising the stairs)
  • There is no other known source for these Blood Gems
  • +12,5% Rally Potential





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