Engineer

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Basics

Identity

The Engineer is a half-channeler who works through built things. The Apparatus, a personal Rift-channeling device, is the Engineer's focus, spells are recorded in a Schematics Codex, and a pool of Charges powers the class's spells and features. Engineers read unfamiliar technology in a minute, pick up extra tool proficiencies, modify allies' gear in the field from 5th level and craft high-tier items at reduced cost from 13th. The Engineering Discipline chosen at 3rd level decides what the Apparatus is built around: a spell, a fortification, a body, a vehicle or a network.

Proficiencies

Channeling

Charges = INT modifier + Engineer level (minimum 1). Charges power spells cast through your Apparatus and fuel your Field Engineering abilities. Refresh on long rest; from level 10, regenerate +1 on a short rest.

Level Progression

• L1
  Apparatus

  You carry a personal Rift-channeling device, such as a forearm mount, a backpack rig or a chest piece. The Apparatus is your channeling focus and houses your Charges. If you lose it, you can build a replacement in 8 hours of work using 100 gm of components. Without your Apparatus, you cannot cast spells, but you can still use class features that do not require Charges.

  Schematics Codex

  You begin play with a Schematics Codex containing four 1st-level spells of your choice from the Engineer spell list. Each time you gain an Engineer level, you can add two new spells of a level you can cast to your Codex. You can copy schematics from other Engineers' Codices, salvaged Tier IV gear or Halcyion Federation reliquary plates.

  Tech Analysis

  When you examine a piece of technology of Tier I to IV, you can spend 1 minute studying it to learn its primary function, any obvious modifications and one weakness or maintenance vulnerability. For Tier V items, you need a successful Intelligence (Technology) check, with a DC set by the GM.

• L2
  Adaptive Tooling

  Choose two additional tool proficiencies from this list: Hacker's deck, Cyber-jack, Medical kit, Communications array, Disguise kit, Forgery kit, Navigator's tools, Thieves' tools. You can swap one of your Adaptive Tooling choices for another from the list during a long rest.

• L3 Subclass feature
  Engineering Discipline

  Choose your Engineering Discipline: Arcane Artificer (spellwork in metal), Combat Engineer (fortification and ordnance), Cybersmith (implants and augments), Field Engineer (generalist), Mechanist (vehicles and vessels), or Technologist (networks and systems). Your Discipline grants features now and at 7th, 11th, 15th, and 18th level.

• L4 ASI / Feat
• L5
  Field Engineering

  As an action, you can spend 1 Charge to grant an ally within 30 feet one of these effects: +1 AC for 1 hour (you reinforce their gear in the field), +1 to attack rolls for 1 hour (you fine-tune their weapon), or 1d8 + your Intelligence modifier temporary hit points (you patch them with reactive paste). Each ally can benefit from only one Field Engineering effect at a time.

• L6
  Mechanical Insight

  You gain proficiency in one additional skill from your class skill list. You also have advantage on Investigation checks to identify the source, age or origin of any Tier II to IV item.

• L7 Subclass feature
• L8 ASI / Feat
• L9
  Mass Modification

  You can apply your Field Engineering to up to three allies as a single action, at a cost of 2 Charges instead of 1. All targets must be within 30 feet of you and within 30 feet of each other.

• L10
  Apparatus Guard Capstone

  Your Charge pool regenerates 1 Charge at the end of a short rest. Your Apparatus can also intercept attacks: as a reaction when you are hit by an attack, you can spend 1 Charge to reduce the damage by 2d6 + your Intelligence modifier. The Apparatus must be on your person and functional.

• L11 Subclass feature
• L12 ASI / Feat
• L13
  Master Architect

  You can craft Tier IV items at half the standard cost and in half the standard time, provided you have access to a workshop with appropriate equipment. You can also craft Tier V items at standard cost.

• L14
  Combat Apparatus

  Once per short rest, as an action, you can spend 3 Charges to deploy a Combat Apparatus within 15 feet of you, such as a turret, drone or sentry. It has hit points equal to 4 × your Engineer level and AC 14, and it has a ranged attack action that you direct with a bonus action. The Combat Apparatus uses your spell attack modifier and deals 2d8 + your Intelligence modifier damage on a hit. It lasts 1 minute or until destroyed.

• L15 Subclass feature
• L16 ASI / Feat
• L17
  Modular Discipline

  You gain the 7th-level feature of an Engineering Discipline other than your own. You can change which Discipline it comes from during a long rest in workshop conditions.

• L18 Subclass feature
• L19 ASI / Feat
• L20
  Apparatus Mastery Capstone

  You have advantage on spell attack rolls made while you wield your Apparatus. Once per long rest, you can cast a spell of 5th level or lower without spending Charges. When you finish a long rest with your Apparatus in active maintenance, you also gain temporary hit points equal to your Engineer level + your Intelligence modifier, which last until your next long rest.

Subclasses (6)

• Arcane Artificer
• Combat Engineer
• Cybersmith
• Field Engineer
• Mechanist
• Technologist