[RPG] How do the material components of Heat Metal work

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I'm a rookie DM with an even more rookie group of players. I have some questions about Heat Metal (2nd level transmutation).

It says you need a piece of iron and a flame. It also says the target of the spell is a manufactured metal object.

  • The piece of iron and the manufactured metal object are two separate objects, right? The caster needs to be in possession of the piece of iron, and the enemy would optimally be touching the manufactured metal (any metal – not just iron) object. Is that right?
  • Does the flame need to be close enough to the caster to touch (for example, if the caster would need to hold the piece of iron into the flame), or simply in the range of the spell? Intuitively I would have opted for the latter, as I'd imagine the caster would be drawing energy from nearby flames.
  • If there is no environmental fire nearby, would they have to use one action to light a fire with their tinderbox first? A google search says "Don’t bother to keep track of material components with negligible cost. Assume you have all you need as long as you have your spell component pouch." Does that apply here? Obviously the flame doesn't have a cost, so can I just assume the caster.. uhm.. has a flame in their pouch? Or can we say lighting a small piece of tinder is part of the spell action?

I guess some/all of these could be answered with "DM-fiat", but in that case I'd be interested in how seasoned DMs rule it 🙂

Best Answer

The manufactured metal object is the target of the spell.

Heat metal says:

Choose a manufactured metal object, such as a metal weapon or a suit of heavy or medium metal armor, that you can see within range. You cause the object to glow red-hot.

So we are choosing a piece of manufactured metal we can see, and we are targeting it with the spell.

The iron and flame can be replaced by a component pouch or spellcasting focus.

A piece of iron and a flame are the components of the spell (and separate from the metal target of the spell). You need these two things to cast it. But they can be provided by a component pouch or spellcasting focus. The component pouch description says:

A component pouch is a small, watertight leather belt pouch that has compartments to hold all the material components and other special items you need to cast your spells, except for those components that have a specific cost (as indicated in a spell's description).

So whatever you need to produce the flame required for heat metal is in there, and it’s probable a piece of flint to strike on the iron.

The rules also permit a focus to be used instead:

Casting some spells requires particular objects, specified in parentheses in the component entry. A character can use a component pouch or a spellcasting focus (found in “Equipment”) in place of the components specified for a spell.

If you don’t have a focus or component pouch, the rules aren't crystal clear, but the rules for material components require a free hand, so "within reach" seems like the most reasonable ruling.

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