A compact, crystalline power unit embedded with Allagan circuits and bound with soul-attuned aetherglass. The Core pulses in sync with its wielder's aether, adapting and expanding as their understanding of magitek deepens. It affixes to an Artificer's armor, weapon, or toolset — integrating seamlessly into their inventions.
Scaling Tiers
The Aetherdrive Core evolves with the Artificer’s level, unlocking new functions and improving in both utility and power.
Tier 1: Prototype Core (Level 3 – Uncommon)
Aether Pulse (1/day):
As a bonus action, release a surge of stored aether. Until the end of your next turn:
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Your spell attack rolls and tool checks have advantage.
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Your Steel Defender or Turret deals an extra 1d6 force damage once per round.
Integrated Functionality:
You may use the Core as a spellcasting focus, tinker’s tool, or arcane firearm (if using optional Artillerist feature).
Tier 2: Calibrated Core (Level 7 – Rare)
Aether Pulse (2/day) — now also provides:
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+1 to spell save DCs and attack rolls for 1 minute.
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You can reroll a 1 on any spell damage die once per pulse (once per turn).
Aether Absorption (1/short rest):
When a spell is cast within 60 feet of you, you can use your reaction to absorb residual aether and:
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Regain an expended 1st-level spell slot, or
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Recharge an Infusion or Turret (if it's on cooldown or uses/day mechanic).
Tier 3: Overdrive Core (Level 11 – Very Rare)
Overdrive Mode (1/long rest):
As a bonus action, activate Overdrive for 1 minute:
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Your turret or defender gains multiattack (2 attacks).
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You may cast two cantrips per turn, targeting separate creatures.
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Spells you cast during Overdrive deal +Intelligence modifier extra force or thunder damage once per spell.
Emergency Venting (Reactive):
When reduced to 0 HP, you may trigger aether venting:
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Release a 10-ft explosion of force, dealing 3d10 force damage (Dex save, DC = 8 + Prof + Int mod) to enemies.
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You remain at 1 HP instead. Usable once per long rest.
Tier 4: Ascended Core (Level 15+ – Legendary)
Aetheric Synergy (Passive):
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You can now attune to one extra magic item if it's a wondrous item or worn equipment.
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All constructs you create gain resistance to all damage for 1 minute when first summoned or activated.
True Overdrive (1/long rest):
For 1 minute:
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Gain advantage on all spell attacks and ability checks with tools.
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Can cast concentration spells without requiring concentration, up to a combined duration of 1 minute (e.g. Web, Flaming Sphere).
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Your movement speed increases by 10 feet, and you may teleport up to 30 feet as a bonus action once per turn.
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