CapnZapp
Legend
It should, eh?Small nitpick, but poison gas can very much apply in combat if it is stored in something that breaks when thrown.
And while I guess this would be more of a houserule and not an answer RAW, but a blade using up the poison coating on a hit or not should rely on what kind of hit it is and how viscous, or sticky, the poison is. A stab wound with a non-sticky poison? Gone in one successful attack, this kind of poison should be really cheap and weak, since it is basically a one-shot poisoning. A double-edged blade that hits with a slashing attack? Common sense says at least one edge still has poison on it. Any kind of weapon that can break skin/draw blood to deliver the poison coated with a sticky poison should last for several attacks, except for missile ammunition, since that is always used up on a successful hit.
In general, I am not a fan of poisons that just to a little something over several rounds. It should have it's full force hit as soon as it goes into effect, whether that is sickness, paralysis, unconsciousness, or death, pending saving throws, of course, for reduced effectiveness.
The biggest issue is why then not do that every round?
This gives you a huge nova, and balance goes out the window.
The bottom line is that we can't (I won't) forget it's a game. It's not just literature. A mechanism can feel all sorts of realistic, but it can still be useless if it breaks the game.
I've already agreed there is a time and place for the kind of poison Arya uses in Game of Thrones.
That time and place is not what I'm talking about here.
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