Store a 1st- or 2nd-level artificer spell in an object. A creature can use an action to cast the stored spell, using Bren's spellcasting ability. The object can be used a number of times equal to twice Bren's Intelligence modifier, or until Bren uses the feature again.

Create a Small or Tiny eldritch cannon during a long rest, or by expending a spell slot. The cannon can be handheld or mounted and lasts for 1 hour. As a bonus action, command it to use Flamethrower, Force Ballista, or Protector.

Use your reaction to add your Intelligence modifier to another creature's ability check or saving throw within 30 feet. You can use this 5 times per long rest.

The cannon exhales a 15-foot cone of flame. Creatures in the area make a Dexterity saving throw against spell save DC 18, taking 3d8 fire damage on a failure or half as much on a success.

The cannon makes a ranged spell attack with a range of 120 feet. On a hit, the target takes 3d8 force damage and is pushed up to 5 feet away.

The cannon emits protective energy. Bren and each creature of his choice within 10 feet gain 2d8 temporary hit points.

Imbue tiny nonmagical objects with minor magical effects, such as emitting light, a recorded message, a smell, or a visual effect.

Use Intelligence as the spellcasting ability for artificer spells. Prepare artificer spells after a long rest and use thieves' tools or artisan's tools as a spellcasting focus.

Learn 8 artificer infusions and can infuse 4 objects at once. Infusions known: Enhanced Defense, Enhanced Arcane Focus, Enhanced Weapon, Replicate Magic Item, Homunculus Servant, Resistant Armor, Returning Weapon, and Replicate Magic Item, Bag of Holding.

Create any set of artisan's tools during a short or long rest using thieves' tools or artisan's tools.

Artillerist specialization. Gain proficiency with woodcarver's tools and always have these spells prepared: Shield, Thunderwave, Scorching Ray, Shatter, Fireball, Wind Wall, Ice Storm, Wall of Fire, Cone of Cold, and Wall of Force.

Gain expertise with every tool you are proficient with, doubling your proficiency bonus for tool ability checks.

Attune to up to 4 magic items and craft common and uncommon magic items in one-quarter the normal time and for half the normal gold cost.

An eldritch cannon's damage increases by 1d8. When a cannon is destroyed, it can explode, forcing creatures within 20 feet to make a Dexterity saving throw against Bren's spell save DC, taking 3d8 force damage on a failure or half on a success.

Attune to up to 5 magic items and ignore all class, race, spell, and level requirements for attuning to or using magic items.

Bren can secure lodging, introductions, and ordinary assistance through guild contacts, provided he does not openly endanger the guild's reputation.