[RPG] Targeting Hex over long durations


Previous questions confirmed that Hex can last through multiple encounters (assuming my warlock's concentration doesn't get broken by a club to the head or the like) and at higher levels even through a short rest.

My question is how targeting Hex works when trying to keep it up for extended periods of time.

Can I just cast it on nothing and keep it up until a valid target presents itself or is an initial valid target required?

Then later, does changing the target of the Hex require that the original target is brought to 0 HP?

Once the initial target dies does the spell stay active even if I don't immediately choose a new target?

My suspicion from reading the spell is that it needs an initial target, but then from that point on I can just keep it up after that target dies until it either expires or a new target presents itself. Is this correct?

Best Answer

It must be cast on a creature and can stay active beyond that encounter

So long as you can keep concentration, meet the original requirements of casting the spell, and the previously cursed creature has been dropped to 0 HP, you can use a bonus action to curse a new creature. No requirement to keep it active (just concentration) or for it to be the same encounter.

You place a curse on a creature that you can see within range.
If the target drops to 0 hit points before this spell ends, you can use a bonus action on a subsequent turn of yours to curse a new creature.
- PHB 251


Harbinger of Doom
If Concentration is unbroken, is it intended for 3rd+ lv Hex to be cast once & persist thru multiple encounters in a day?

Jeremy Crawford
Yes, that's intended.

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