Aether can create a magical eldritch cannon as an action using woodcarver's tools or smith's tools. The cannon can be a Force Ballista, Flamethrower, or Protector. It has AC 18, 15 hit points, immunity to poison and psychic damage, and lasts for one hour or until destroyed. Aether can command it to fire or activate as a bonus action.

Aether releases a bolt of flame at a creature within range, making a ranged spell attack. On a hit, the target takes 1d10 fire damage.

Aether imbues a willing creature with a guiding spark, granting a d4 bonus to one ability check made before the spell ends.

Aether launches a volatile object at a target, making a ranged spell attack. On a hit, the target takes 3d8 bludgeoning damage.

Aether causes flames to erupt from his eldritch cannon in a 15-foot cone. Creatures in the area make a Dexterity saving throw, taking 2d8 fire damage on a failure or half as much on a success.

Aether commands his eldritch cannon to fire a force projectile at a creature within 120 feet. The target makes a ranged spell attack against AC 18 and takes 2d8 force damage on a hit, with the cannon pushing it up to 5 feet away.

Aether commands his eldritch cannon to emit protective energy. Each chosen creature within 10 feet gains 1d8 + 3 temporary hit points.

Aether can imbue a Tiny nonmagical object with a minor magical effect, such as shedding light, playing a recorded message, emitting an odor, or displaying a visual effect. He can maintain up to five such effects at once.

Aether uses Intelligence as his spellcasting ability. He can cast artificer spells using material components, a spellcasting focus, or an infused item. He knows the Guidance and Fire Bolt cantrips and prepares six artificer spells each day.

Aether knows four artificer infusions and can maintain two infused items at once. His known infusions are Enhanced Arcane Focus, Enhanced Defense, Repeating Shot, and Homunculus Servant.

Aether specializes as an Artillerist, gaining proficiency with woodcarver's tools and the ability to use them as a spellcasting focus for artificer spells.

Aether can create any artisan's tool set during a short or long rest by using thieves' tools or tinker's tools, provided he is not missing the necessary raw materials.

Aether's proficiency bonus is doubled for any ability check he makes using a tool with which he is proficient.

Aether increases his Intelligence score by 2, raising it to 19.

Aether can channel artificer spells through a specially modified arcane firearm. When he casts an artificer spell through it, one damage roll of the spell gains an extra 1d8 damage. He can create the firearm using woodcarver's tools or smith's tools.

As a respected member of the Sparkwrights' Guild, Aether can secure lodging, food, and basic assistance from other guild members. The guild can also mediate disputes involving its members and provide introductions to influential craftsmen, merchants, and patrons.