Artificer Speciality: Eldritch Jeweller
Beloved by adventurers everywhere, Eldritch Jewellers are at the forefront of creating enchanted jewellery such as Rings of Protection and Periapts of Wound Closure. They possess an uncanny knack for imbuing precious gems with minor enchantments, and have even developed techniques to store powerful magical energy within these gems, held in stasis until released. An eldritch jeweller prides themselves on carrying a trinket for every eventuality.
Tool Proficiency
3rd level Eldritch Jeweller feature
When you choose this speciality, you gain proficiency with jeweller’s kits, or a different set of artisan’s tools of your choice if you already have that proficiency.
Eldritch Jeweller Spells
3rd level Eldritch Jeweller feature
You always have certain spells prepared after you reach particular levels in this class, as shown in the Eldritch Jeweller Spells table. These spells count as artificer spells for you, but they don’t count against the number of artificer spells you prepare.
| Artificer Level | Spells |
|---|---|
| 3rd | Chromatic Orb, Colour Spray |
| 5th | Nystul’s Magic Aura, Shatter |
| 9th | Hypnotic Pattern, Meld into Stone |
| 13th | Conjure Minor Elementals, Vitriolic Sphere |
| 17th | Conjure Elemental, Wall of Light |
Gem Refurbishment
3rd level Eldritch Jeweller feature
Your expertise at magically manipulating gems allows you to quickly remould them to your purposes. As an action, you may touch a nonmagical gem with a jeweller’s kit and turn it into gem dust of equal value.
Alternatively, you may spend one minute with your jeweller’s kit and transform gem dust into a single gemstone of equal value. The gem dust must all be of the same gem type.
Arcane Facet
3rd level Eldritch Jeweller feature
You achieve the art of bestowing gemstones with a special quality, known as an Arcane Facet. When you finish a short or long rest, you may touch any number of nonmagical gemstones with a jeweller’s kit and imbue them with an Arcane Facet. You may only have a number of gems equal to your proficiency bonus imbued in this way at any one time, if you try to imbue more then the oldest one you imbued will lose its magic. A gem will otherwise remain magical until you touch it as an action to remove the Arcane Facet, or until it is targeted by an effect that dispels magic (a gem counts as a spell of a level equal to your proficiency bonus for dispelling purposes). To imbue a gemstone, it must be worth at least 10gp.
A gemstone imbued with an Arcane Facet bestows a magical boon upon any creature wearing or carrying it, and the creature can also destroy the gem as an action to unleash a more powerful effect. Once a gem has been destroyed in this way, it loses its magic and cannot be recovered. Both properties are changed depending on the type of gemstone (listed below), and gemstones of the same type do not stack with one another.
Arcane Facets
The gems one can create with the Arcane Facet feature are described below. At your GM’s discretion, you may come up with properties for additional gemstones. “You” in these descriptions refers to the creature holding the gemstone, but any level-dependent scaling refers to the character level of the artificer who made the gem, and similarly all saving throw DCs use the artificer’s spell save DC.
Arcane Amethyst
While carrying this gemstone, you may communicate telepathically to any other creature you can see within 60 feet of you, though this does not allow the creature to respond telepathically. You need not share a language, but both creatures must each be able to understand at least one language for this communication to work.
When you destroy this gemstone, all other creatures in a 10-foot radius of you must make a Strength saving throw. A creature takes 2d6 force damage on a failed save and is pushed 15 feet away from you; this damage increases by 1d6 at 5th, 11th, and 17th levels. On a successful save, a creature takes half damage and is not pushed.
Arcane Diamond
While carrying this gemstone, you can see normally in magical and nonmagical darkness, up to a range of 30 feet.
When you destroy this gemstone, all creatures of your choice within 30 feet of you must succeed on a Constitution saving throw or become blinded until the end of the your next turn.
Arcane Emerald
While carrying this gemstone, you gain a swimming speed equal to your walking speed, and you can breathe underwater.
When you destroy this gemstone, you gain resistance to acid damage for 10 minutes.
Arcane Pearl
While carrying this gemstone, you reduce all bludgeoning, piercing, and slashing damage you receive by half the eldritch jeweller’s proficiency bonus (rounded down).
When you destroy this gemstone, you become temporarily surrounded by a bubble of arcane force that extends for 5 feet in every direction and moves with you. It lasts for 10 minutes. The bubble passes through and around solid objects but you, and any other creatures within the bubble, gain half cover against weapon attacks and spells that originate from outside it.
Arcane Ruby
While carrying this gemstone, you may deal an additional 1d4 fire damage on one successful weapon or spell attack you make each turn.
As part of the action to destroy this gemstone, you throw it to a point you can see within 20 feet of you. The gem then explodes, dealing 2d10 fire damage to all creatures within 10 feet of it. This damage can be halved with a successful Dexterity saving throw. The damage increases by 1d10 at 5th, 11th, and 17th levels.
Arcane Sapphire
While carrying this gemstone, you gain a climbing speed equal to your walking speed, and you are unaffected by nonmagical difficult terrain.
When you destroy this gemstone, you gain a number of temporary hit points equal to the eldritch jeweller’s level + their Intelligence modifier. While you have these temporary hit points, you are resistant to cold damage.
Refracting Focus
5th level Eldritch Jeweller feature
Your gemstones empower your spellcasting. You may use any gemstone you have imbued with an Arcane Facet as an arcane focus for your artificer spells. When you cast a spell that deals damage using such a gemstone as a focus, you may change the spell’s damage type to another, determined by the gem’s type.
| Gemstone | Damage Type |
|---|---|
| Amethyst | Psychic |
| Diamond | Radiant |
| Emerald | Acid |
| Pearl | Force |
| Ruby | Fire |
| Sapphire | Cold |
Flawed Cutting
9th level Eldritch Jeweller feature
You can sacrifice quality to complete work orders far quicker. As an action, you may touch a nonmagical gemstone (worth at least 10gp) with your jeweller’s kit and immediately destroy it as though it had been imbued with an Arcane Facet. This replicates the effect of destroying an Arcane Faceted gemstone of the same type, but does not affect the number of gemstones you had imbued with your Arcane Facet feature.
You may use this feature twice, and you regain all expended uses when you finish a long rest.
Diamond Armour
15th level Eldritch Jeweller feature
You gain a +1 bonus to your armour class for each Arcane Faceted gemstone you are carrying.
Additionally, you may imbue one additional gemstone with your Arcane Facet feature without counting against your maximum, but only you may utilise the gem’s magic in carrying or destroying it.
Flawless Cutting
15th level Eldritch Jeweller feature
Your techniques become so precise that there is even beauty in the destruction of your work. When one of your Arcane Faceted gemstones is destroyed, it is instead reduced to nonmagical gem dust of equal value to the original gem, which you can then collect for reuse.