2
votes
1answer
109 views

How do you calculate the odds of success for an ability contest

I'm having a hard time understanding how to figure out the odds of success from an ability contest. I originally thought that each +1 would be 5% but anydice suggests 4% but only after a +1 ...
0
votes
2answers
249 views

How do you calculate an average damage when damage is conditional on circumstances?

I'm trying to compare two rogue builds to each other. The first rogue is easy. It's a wood elf with a long bow in a wilderness campaign, doing 1d8+mod damage and always being hidden with SA damage. ...
8
votes
2answers
735 views

How can I convert D&D Next Saving Throws into Defences?

In the last public playtest packet, saving throws for spells had the following formula: The DC was set to 8 + prof bonus + magical stat bonus. The target would then throw a saving throw, adding their ...
57
votes
3answers
5k views

How does rolling two dice and taking the highest affect the average outcome?

D&D 5E has an "advantage" concept where instead of rolling 1d20, you roll 2d20 and take the highest. Likewise, disadvantage means rolling 2d20 and taking the lowest. How does this affect the ...