Wondrous Item, legendary (requires attunement by a Requires attunement by a gnome)

Forged by the Council of Cogs of the Hammerhold, these walking engines of war stand 15 feet tall and are powered by runic arcane engines. Each mech is designed to be piloted by a single gnome who straps into a harness and channels spells through its rune-etched core.


Armor Class (while piloting): 18 (arcane plating)
Hit Points: 120 (damage is tracked separately from the pilot; when reduced to 0, the mech becomes inoperable and ejects the pilot at half cover)
Speed: 30 ft.

Size: Large

Resistances: fire, force, necrotic
Condition Immunities (mech only): charmed, frightened, poisoned, exhaustion


Operation

  • Requires a gnome pilot attuned to the mech.

  • The mech uses the pilot’s Initiative count.

  • The pilot cannot cast spells normally while piloting (all their casting channels into the mech’s systems).


Weapons Systems

On each of its turns, the pilot may fire one weapon system as an action:

  • Arcane Missile Barrage. The mech casts magic missile at 2nd level (4 darts, each dealing 1d4+1 force damage).

  • Ray of Enfeeblement. The mech casts ray of enfeeblement (spell save DC 15, +6 to hit with spell attack).

  • Burning Vent. The mech casts burning hands at 3rd level (4d6 fire damage, DC 15 Dexterity save for half).


Slam Attack

If adjacent, the pilot can swing the mech’s arms as a melee attack:
Melee Weapon Attack: +8, reach 5 ft., one target. Hit: 14 2d10+3{"diceNotation":"2d10+3","rollType":"damage","rollAction":"Mech Slam","rollDamageType":"bludgeoning"} bludgeoning damage.


Defensive Systems

  • Arcane Shielding. Once per long rest, the pilot can grant the mech advantage on all saving throws until the start of its next turn.

  • Emergency Eject. If the mech is reduced to 0 hp, the pilot is ejected to an adjacent space and takes no damage from the final blow.


CR Consideration

A squad of these mechs, with trained gnome pilots, is considered CR 9 due to their resilience, firepower, and area damage potential.

Notes: Bonus: Armor Class, Requires attunement by a gnome

GrumpyGrandpa42

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