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Lightning Cannon

RarityMundane

Price for DM reference

Suggested DM price: 7,500 GP.

Item / variant Rarity Purchase value Basis
Lightning Cannon — 7,500 GP Suggested DM price, not a published cost. Runed bronze emitter and magical power system.

No purchase price is specified in the supplied rules. This estimate is a campaign starting price you can adjust for local availability.

One complete, functional, unloaded unit; excludes ammunition or fillings, crew, delivery, maintenance, and fortification work.

Rules reference (not a published price): DMG 2024, PDF page 99 — source PDF is not included in this player reference. · DMG 2024, PDF page 100 — source PDF is not included in this player reference.

All item prices · Pricing rules

  • Item type: Siege Equipment
  • Rarity: Mundane

Description and use

Medium Object Armor Class: 19 Hit Points: 30 Lightning Ball (Requires Aim).

Ranged Attack Roll: +6, range 300/1,200 ft.

Hit: 22 (4d10) Lightning damage.

A Lightning Cannon is a small, bronze cannon inlaid with arcane runes and mounted on a heavy tripod device.

It launches balls of crackling electricity.

Aiming a Lightning Cannon requires the Utilize action, then a crew member can take the Lightning Ball action.

Printed core rules

Source page references in your supplied Dungeon Master's Guide (2024). Open the original PDF at the linked page for complete printed tables and rules; use its wording if the searchable transcription differs.

PDF page 99

Open the original rulebook — PDF page 99 — source PDF is not included in this player reference.

PDF page 100

Open the original rulebook — PDF page 100 — source PDF is not included in this player reference.

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Weight

Weight per inventory unit: Not fixed / not specified

No fixed weight specified in the supplied item reference; set the actual item weight.

Counts multiply by inventory quantity. Ammunition quantities count individual pieces; other bundle entries and complete packs use the printed bundle weight. Do not add the same contents separately when using a complete equipment pack. See Carrying capacity for character limits.