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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

Shriving Stone

Removes Infusion None

Refined Gem

Balances Scaling for Strength & Dexterity, -Base Damage

Raw Gem

Removes Scaling, +Base Damage

 

Fire Gem

- Base Damage, Removes Scaling, +Fire Damage

 

Heavy Gem

+Strength Scaling, -Base Damage

Farron Coal

 

Sharp Gem


+Dexterity Scaling, -Base Damage

 

Poison Gem

-Base Damage, -Strength & Dexterity Scaling, +Poison Aux

 

Crystal Gem

-Base Damage, -Strength & Dexterity Scaling, +Magic Damage, +Intelligence Scaling

Sage's Coal

 

Blessed Gem

-Base Damage, -Strength & Dexterity Scaling, +Faith Scaling, +HP recovery

 

Deep Gem

-Base Damage, Removes Scaling, +Dark Damage

 

Dark Gem

-Base Damage, -Strength & Dexterity Scaling. +Dark Damage, +Faith & Intelligence Scaling

Profaned Coal

 

Blood Gem

-Base Damage, -Strength & Dexterity Scaling, +Bleed Aux

 

Hollow Gem

-Base Damage, -Strength & Dexterity Scaling, +Luck Scaling, +Luck stat when hollow

 

Lightning Gem

-Base Damage, -Strength & Dexterity Scaling, +Lightning Dam, +Faith Scaling

Giant's Coal

 

Simple Gem

-Base Damage, -Strength & Dexterity Scaling, +Magic Damage, +FP Recovery

 

Chaos Gem

-Base Damage, -Strength & Dexterity Scaling, +Fire Damage, +Faith & Intelligence Scaling



    • 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 <i>done</i> 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. <br/><br/>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).<br/>But not on weapons that add aux bonuses or different damage types.

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