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Blood Gems are upgrade items in Bloodborne that the player can upgrade their Weapons with at the Workshop. Can drop in Chalice Dungeons, be found in chests or dropped by certain enemies. You can also consume some special items to gain unique Blood Gems.

  • There are several types of Blood Gems, which are further divided into categories determined by the general shape of the Gem. Radial, Triangular, and Waning Blood gems are installed onto right-hand weapons. Circlular gems are installed onto left-hand weapons (Except the Lost Chikage, which has a circular socket). Droplet can be fit into any socket regardless of its shape. 
  • Blood Gems' strengths vary greatly. This is represented by its rating of 1-20, although higher rarity blood gems are not guaranteed to be stronger than lower level gems.
  • Blood Gems can be installed to Weapons after their Imprint sockets are unlocked via upgrading. A new socket is unlocked at upgrade levels +1, +3 and +6. (Firearms only have 1 or no socket)
  • Installation of blood gems is not permanent. One can remove blood gems and reinstall new ones at the workshop table at any time without consequence or cost.
  • The only known way to gain Bloodtinge Gemstones as drops are from Bloodsucking Beasts  and Labyrinth Ritekeepers from chalice dungeons.
  • Gems that grant bonus elemental damage will change your weapon's damage form from physical to bolt/fire/arcane and become scaled by your Arcane stat (strength and skill scaling will be disabled) when installed, unless the weapon deal multiple damage forms by default, in which case the weapon will retain physical/skill scaling but changes damage form to bolt/fire/arcane.
  • Some blood gems have the "cursed" prefix and reduce the weapon's durability. However, multiple installations of such gems do not stack up in effect. E.g. installing 1 cursed blood gem which decreases weapon durability by say 50 and installing 2 of the same gems will make the weapon equally easy to break.
  • You can read This very detailed guide to understand Blood Gems, drops and farming.
  • A complete list of blood gem effects:
    1. increase physical damage (flat/percentage)
    2. increase blunt damage (percentage)
    3. increase thrust damage (percentage)
    4. increase arcane damage (flat/percentage)
    5. increase fire damage (flat/percentage)
    6. increase bolt damage (flat/percentage)
    7. increase blood damage (flat/percentage)
    8. increase all damage (percentage)
    9. decrease all damage (percentage)
    10. increase damage vs. kin/beast (percentage)
    11. decrease damage vs. kin/beast (percentage)
    12. increase stamina cost (percentage)
    13. decrease stamina cost (percentage)
    14. increase charge attack damage (percentage)
    15. add slow poison effect
    16. add rapid poison effect
    17. boosts rally potential (increased health recovery by dealing damage after taking hit)
    18. increase physical damage at full HP (percentage)
    19. increase physical damage when near death (percentage)
    20. increase damage against open foe (i.e. counter damage) (percentage)
    21. increase strength/skill/arcane/bloodtinge scaling
    22. HP gradually depletes by a flat amount
    23. HP gradually regenerates by a flat amount
    24. decrease weapon durability
    25. increase weapon durability
    • A blood gem may contain up to 3 effects
    • not every combination of 3 effects is possible

 

Some Examples of Blood Gems (Not Every One)

Blood Gems

Radial Blood Gems

Name & Icon
rating.jpg
Best Possible Gem Versions Location

odd_tempering_blood_gemstone_3-radial.pngTempering Blood Gemstone

Effect: Physical ATK UP +%
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

placeholder.pngCursed Tempering Blood Gemstone

Effect: Physical ATK UP +%
Effect: Random negative effect
1-10 Fetid Lower Pthumeru Root Chalice awd85dhdd: Layer one. Dropped by fire wielding mummy that's guarding the lever

tempering_damp_blood_gem_6-radial.pngTempering Damp Blood Gem

Effect: Physical ATK UP +%
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon

cursed_tempering_damp_blood_gem_6-radial.pngCursed Tempering Damp Blood Gem

Effect: Physical ATK UP +27.2%
Effect: Random negative effect
11-19 Pthumeru Ihyll Root Chalice (with Cursed rite)
Bosses in this Chalice Dungeon (Watchers)
Glyph: pwmf22gu

adept_blood_gemstone_3-radial.pngAdept Blood Gemstone

Effect: Blunt or Thrust ATK UP +%
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

placeholder.pngCursed Adept Blood Gemstone

Effect: Blunt or Thrust ATK UP +%
Effect: Random negative effect
1-10 ??

adept_damp_blood_gem_6-radial.pngAdept Damp Blood Gem

Effect: Blunt or Thrust ATK UP +%
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon

cursed_tempering_damp_blood_gem_6-radial.pngCursed Adept Damp Blood Gem

Effect: Blunt or Thrust ATK UP +%
Effect: Random negative effect
11-19 Pthumeru Ihyll Root Chalice (with Cursed rite)
Bosses in this Chalice Dungeon (Undead Giant)
Glyph: pwmf22gu

fire_blood_gemstone_2-radial.pngFire Blood Gemstone

Effect: Fire ATK UP +%
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

cursed_fire_blood_gemstone_2-radial.pngCursed Fire Blood Gemstone

Effect: Fire ATK UP +%
Effect: Random negative effect
1-10 ??

cursed_fire_blood_gem_5-radial.pngCursed Fire Damp Blood Gem

Effect: Fire ATK UP +23.9%
Effect: Random negative effect, add fire
11-19 Pthumeru Ihyll Root Chalice (with Cursed rite)
Bosses in this Chalice Dungeon (Watchdog)

tempering_damp_blood_gem_6-radial.pngNourishing Damp Blood Gem

Effect: ATK UP +flat
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon (Amygdala and Rom, the Vacuous Spider)

cursed_nourishing_damp_blood_gem_5-radial.pngCursed Nourishing Damp Blood Gem

Effect: ATK UP +%
Effect: Random negative effect
11-19 Pthumeru Ihyll Root Chalice (with Cursed rite)
Bosses in this Chalice Dungeon (Amygdala and Rom, the Vacuous Spider)

odd_tempering_blood_gemstone_3-radial.pngOdd Tempering Blood Gemstone

Effect: Adds physical ATK +flat
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

odd_tempering_damp_blood_gem_6-radial.png Odd Tempering Damp Blood Gem

Effect: Add physical ATK +flat
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon

cursed_odd_tempering_damp_blood_gem_5-radial.pngCursed Odd Tempering Damp Blood Gem

Effect: Adds physical ATK +flat
Effect: Random negative effect
11-19 Pthumeru Ihyll Root Chalice (with Cursed rite)
Bosses in this Chalice Dungeon

heavy_blood_gemstone_3-radial.pngHeavy Blood Gemstone

Effect: Improves STR scaling +flat
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

sharp_blood_gemstone_3-radial.pngSharp Blood Gemstone

Effect: Improved Skill Scaling +flat
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

cursed_sharp-damp_blood_gem_6-radial.pngCursed Sharp Damp Blood Gem

Effect: Skill Scaling UP +flat
Effect: Random negative effect
11-19 Pthumeru Ihyll Root Chalice (with Cursed rite)
Bosses in this Chalice Dungeon (Keeper of the Old Lords)

cold_blood_gemstone_3-radial.pngCold Blood Gemstone

Effect: Arcane Scaling UP +flat
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

murky_blood_gemstone_3-radial.pngMurky Blood Gemstone

Effect: Adds slow poison effect +flat
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

dirty_blood_gemstone_2-radial.pngDirty Blood Gemstone

Effect:Adds rapid poison effect +flat
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

dirty_damp_blood_gem_5-radial.pngDirty Damp Blood Gem

Effect: Adds rapid poison effect +flat
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon

beasthunters_damp_blood_gem_4-radial.pngBeasthunter's Damp Blood Gem

Effect: ATK vs Beast UP +%
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon

kinhunters_damp_blood_gem_4-radial.pngKinhunter's Damp Blood Gem

Effect: ATK vs the kin UP +%
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon

radiant_blood_gemstone_3-radial.pngStriking Blood Gemstone

Effect: Charge ATKs UP %
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

radiant_damp_blood_gem_6-radial.png Striking Damp Blood Gem

Effect: Charge ATKs UP +%
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon

cursed_striking_damp_blood_gem_5-radial.png Cursed Striking Blood Gemstone

Effect: Charge ATKs UP +%
Effect: Random negative effect
11-19 Pthumeru Ihyll Root Chalice (Watchers)

radiant_blood_gemstone_3-radial.pngRadiant Blood Gemstone

Effect: Reduces stamina cost -%
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeon

cursed_radiant_damp_blood_gem_6-radial.pngCursed Radiant Damp Blood Gem

Effect: Reduces Stamina costs 8 %
Effect: Random negative effect
11-19 Pthumeru Ihyll Root Chalice
Bosses in this Chalice Dungeon (Maneater Boar)

radiant_blood_gemstone_3-radial.pngFool's Blood Gemstone

Effect: Phys. UP at full HP +%
1-10 Lower Pthumeru Root Chalice
Bosses Chalice Dungeo

Gold Blood Gem

Effect: ATK vs beasts UP +%
11-19 ??
Cursed Fire Abyssal
24.8% fire
add random second effect
20 FRC Ihyll
Boss: Watchdog
Cursed Bolt
20-22% bolt second effect doubled
   

 

Gallery

Radial Green Cursed.png
Radial Abyss Cursed.png Radial Abyssal Cursed Fire.png

 




    • 22 Jan 2017 06:49  

      I've noticed the 'Damp' prefix on some blood gems. I get the feeling that it just means that they're more powerful than 'dry' blood gems, but I don't know for sure. Can someone explain?

      • 16 Nov 2016 21:51  

        I don't know if this was already said, or if this information is even helpful, but I got a Tempering Blood Gemstone from fighting the Executioner in Central Yharnam. It's random as far as I know since I was just getting Blood vials beforehand, but I got it before fighting Father Gascoigne.

        • DLC Gem Farming01 Sep 2016 19:06  

          It would appear that the Hunter Enemies( Beastcutter variant at least) in Hunter's Nightmare drop some nice radial blood gems. I got my Chikage outfitted almost entirely thanks to this.

          • Storng Gems05 Jul 2016 08:41  

            at higher chalice maps, you got very powerfull gems. I got level (5) - (6) gems with a evaluation of 17 - 19 at defiled pthumeru and lower loran.

            • Elemental damage gems05 Jul 2016 08:41  

              Does adding a gem that gives a weapon elemental damage negate the physical scaling of the weapon or just split the damage and make it scale with Arcane as well? I'm seeing different opinions about this and no one seems to have talked about it or added info on it here yet.

              • Bolt Gem?05 Jul 2016 08:41  

                I noticed there is a gem type for every sub category except for bolt. Is it simply not been found, or does it not exist period. Also is there locations for these.. or is it random? My friends and I have got the same items off static chests (dead bodies) but I could see it being different on monster drops.

                • level 20 gems05 Jul 2016 08:41  

                  sometimes the endbosses of a depth 5 dungeon dropping a level 20 gem which have 2 primary effects. A level 20 radial gem has always physical atk up by % + an another effect like physical atk up by absolute number.

                  • Bloodgem Effect Stacking05 Jul 2016 08:41  

                    I was wondering if I put two of the same gems on, ATK vs the Kin for instance, will the two equipped gem effects stack for higher damage?

                    • the best physical improvement05 Jul 2016 08:41  

                      i run a anti beast and anti human saw cleaver, using high level bloodgems +23,x% physical vs. reduced beast/human damage. both weapons have ~ 700 AR without weaponbuff. due to its moveset, attack speed and poise damage, its the strongest one hand weapon for pve in my opinion.

                      • Farming random stat Droplet gems (13-14 rating)05 Jul 2016 08:41  

                        farming The brain guys at nightmare of mensis 2nd bonfire gives regular and or cursed droplet blood gems. droplet gems are the best since u can place them into any gem slot and they have really high stats on em. (ex. got a 19.8% attk up with a 2.7% stam increase) the dropped gems are purely random and can range from elemental, status effects and dmg.

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