5e stackable Advantage and Disadvantage

[Sadrik]

What are some ways that a stackable Advantage and Disadvantage could work?

The obvious one is that you just let the player roll more dice and keep one of them. But maybe there are other ways to accomplish this...

If advantage and disadvantage became static numbers again you could do +3/+6/auto '20' or '1' for three levels of advantage and disadvantage. The numbers could be +2/+5/'20' or '1'...

Alternity way: advantage gives you a +d4/+d6/+d8/+d12/+d20 to your roll. I think that is too many levels of advantage disadvantage though. Maybe +d4/+d8/+d12...

What other ways could it be done?

 

[TwoSix]

You could have a mini-advantage. Say, roll a d12 and a d20, keep the higher. Biases against low rolls, but doesn't really expand the chance of a high roll.

You could set auto ceilings or auto floors on the roll, that increase per step of advantage. Say a 1d20, treat < 10 as 10. Than it goes to a 1d20, treat < 13 as 13, than to a 1d20, treat < 16 as 16.

 

[77IM]

Multiple advantage: roll 2d20 and take the higher; if both succeed, it counts as a crit.
Multiple disadvantage: roll 2d20 and take the lower; if both fail, it counts as a fumble.

So the odds of success/failure are not changed, just the consequences.

 

[evilbob]

We sort of use stackable adv/disadv, in that we ignore the line in the PHB that multiple sources of adv/disadv all cancel each other out. So if you have 3 sources of adv, and one source of disadv, that means you still have advantage. YMMV