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Lightning cannon in Dungeons & Dragons 5e

Homebrew

Lightning cannon

Spellcasting Focus

Uncommon Spellcaster Requires Attunement

Arcane Firearm – Two-Handed

Arcane Shot – storm shot.

As an action, you can choose a target you can see within 120 feet and make a ranged spell attack against it. On a hit, the target takes 1d10 lightning damage. This damage is considered magical.

Enchantment – Overcharge.

When you deal lightning damage using this weapon’s abilities three times within 1 minute, the next time you deal lightning damage with this weapon within that same minute, you deal an additional 1d6 lightning damage.

Imbued Spell – Lightning Bolt (1/Day).

Once per day as an action, you can cast the Lightning Bolt spell at 3rd level from the weapon. This does not consume a spell slot.

Type Damage Damage Range
None 1d10 Lightning 120 ft


Weight: 5 lb.


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