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In Dark Souls 3 you can infuse many different Weapons and Shields with Gems that change the properties, damage type or Scaling. In order to infuse a Weapon or Shield to your chosen type you must:

  1. have found and give the appropriate Coal to Blacksmith Andre,
  2. have a Gem of the chosen type, and
  3. have the required Souls.

The exceptions here are Refined, Raw or Fire which require no Coal to be given. You can use a Shriving Stone if you wish to remove the Infusion from your Weapon or Shield (this must also be done at Blacksmith Andre). Again, not all Weapons and Shields can be Infused so check the Weapons pages to verify which can and can't.

These weapons CANNOT be infused:BowsGreatbowsCrossbowsChimesTalismansStaves, Pyromancy Flames and any weapon that upgrades with Twinkling Titanite or Titanite Scale

Name & Icon

Effect

Coal Required

Buffable

Shriving Stone

Removes Infusion None Yes

Refined Gem

Reduces Base Damage
Adds Strength & Dexterity Scaling

Yes

Raw Gem

Increases Base Damage
Removes Scaling
Yes

 Fire Gem

Reduces Base Damage
Removes Scaling
Adds Fire Damage
No

 Heavy Gem

Reduces Base Damage
Adds Strength Scaling

Farron Coal

Yes

 Sharp Gem

Reduces Base Damage
Adds Dexterity Scaling
Yes

 Poison Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Poison Aux
No

 Crystal Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Intelligence Scaling
Adds Magic Damage

Sage's Coal

No

 Blessed Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Faith Scaling
Adds HP recovery
No

 Deep Gem

Removes Scaling
Reduces Base Damage
Adds Dark Damage
No

 Dark Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Faith & Intelligence Scaling
Adds Dark Damage

Profaned Coal

No

 Blood Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Bleed Aux
No

 Hollow Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Luck Scaling
Luck Stat When Hollow

Yes

 Lightning Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Faith Scaling
Adds Lightning Damage

Giant's Coal

No

 Simple Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Intelligence Scaling
Adds Magic Damage
Adds FP Recovery
No

 Chaos Gem

Reduces Base Damage
Reduces Strength & Dexterity Scaling
Adds Faith & Intelligence Scaling
Adds Fire Damage
No



    • Anonymous

      22 Sep 2018 04:42  

      Quick questions- After I infuse can I still reinforce a weapon? Also, can you put multiple gems on one sword or is that not possible?

      • Anonymous

        31 Aug 2018 18:04  

        I don't really understand what it means when it says: example Increases Base Damage Removes Scaling: what does removes scaling mean and how does it effect me and the weapon ?? plz help

        • Anonymous

          11 Aug 2018 02:30  

          Lets suppose I no longer need a Fire Gem infused Battle Axe... If I use the needed Gem to remove the Fire Gem, the Fire Gem become unusable or does it become available for a later Infusion?

          • Anonymous

            21 May 2017 18:07  

            Because it's not listed here, weapons infused with heavy, sharp, refined or raw gems can still be buffed with resins and spells. All other infusions preclude buffing of any kind. Heavy and sharp gems also reduce or outright remove scaling of the inverse of the scaling it increases, i.e. heavy gems reduce dex scaling and sharp gems reduce strength scaling.

            • Anonymous

              02 May 2017 18:27  

              To all the people who don't understand why they didn't get the achievement, make sure you've really done the infusion. I was in the same situation when I suddenly realized the Deep Battle Axe in my inventory was looted from a Mimic, not infused by myself.

              • Anonymous

                23 Apr 2017 21:31  

                Is it possible to trade these infusion stones? I'm doing a sorcery only run and want to get simple gen before Irithyll dungeons

                • Anonymous

                  11 Apr 2017 11:40  

                  Something i found is that it can't infuse executioners greatsword. It scales with normal titonite. Anyone know why it can't infuse.

                  • Anonymous

                    08 Jan 2017 07:53  

                    Dev's got LAZY with this aspect of the game. Most infusions hurt my base damage. Unless I'm keeping a D&D monster manual of every enemy and their weakness (this particularly applies to elemental dmg, scaling or no) I'm better off with straight upgrades and MAYBE a heavy/sharp/refined infuse. LAAAAME

                    • Anonymous

                      02 Jan 2017 03:08  

                      Ok next dlc needs to add a frost gem no if ands or buts, they have every other infusion except a frost gem

                      • Anonymous

                        28 Oct 2016 00:03  

                        When I infused my offhand shield with a blessed gem, the HP recovery continued when I two-handed my mainhand weapon. If I were to do the same with a caestus, would I continue to get the bonus, when two-handing my main weapon?

                        • Anonymous

                          scaling confusion12 Jun 2016 16:07  

                          So I was about to infuse my uchigatana with a sharp gem for it ot get better dex scaling but I noticed that the C scaling it has does not go up to a B scaling in dex even if I infuse. The C in dex does become blue indicating it is getting some scaling but does not become a B. So is it even worth it, or is it better to wait and just upgrade the weapon normally until the scaling goes up and then use the gem? Or are there different levels of scaling even within the same letter? Like you have a high C scaling and a low C scaling in dex and I am just making the C scaling better with the sharp gem. Kinda confusing.

                          • Anonymous

                            For the use of Magic Weapon03 May 2016 01:47  

                            Which infusions can I do that still allows me to use spells similar to Magic Weapon? I've noticed that it works on some, but not others.

                            • Anonymous

                              ??22 Apr 2016 09:27  

                              I did all the infusions listed and my achievement didn't pop up, is there another requirement here? I used the shriving stone to see if that would work.

                              • Anonymous

                                probably a dumb question but...21 Apr 2016 13:06  

                                do infusions themselves have levels to them I.E. if I have a fire weapon and want to add another fire gem to it is that a thing? I'm a noob so sorry for the noobish question

                                • Anonymous

                                  WTF18 Apr 2016 11:51  

                                  Where is the Mage's Coal? its needed for crystal, blessed, and deep infusions, and no one, online has found it! There's even an achievement for getting all infusions that needs it! I get the feeling its in NG+ or NG++. T-T

                                  • Anonymous

                                    Might be worth noting:17 Apr 2016 09:18  

                                    You can use pine resins on weapons that only affect your base damage and scaling (sharp, raw, etc).But not on weapons that add aux bonuses or different damage types.

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