20% chance doubleing?

got a question.if i use a primary weapon that 1/2's 20% cahnce and an offhand that does the same would that make that chance 40% instead of 20% ?

and the same question goes for +1 towards a skill point weapons and offhands.(ie +1 death 20% chance offhand and primary)

There is some debate about this. Some people think it creates a 40% chance, some say a 36% change of 1/2 and a 4% chance of being 4x faster. I don't think anyone really knows the correct answer, although I'm sure some will claim they do.

Personally, all I'm worried about is the fact that two 20% chance items, regardless of how they stack, help a good bit.

Two 20% chance items, acting independently, would give you a 36% chance of at least one activating. It is unlikely that the effects stack if BOTH activate, so I'd say consider it a 36% chance of double speed.

On my personal experience, having a wand and a focus with both 20% faster skill recharge, there were times when both activated for even faster recharge.
This seems like the 20% chances are individual.

The events do stack if both go off, however, it does not treat 2 20% chances as 40%. What it does is roll for each.

ie wand +20% chance of faster casting and off-hand +20% chance of faster casting

roll wand - 19 *ding* casting speed is reduced by percent x
roll off-hand - 12 *ding* casting speed is reduced by percent x

if x = 50% then getting both will give you a casting speed that is 75% faster than normal, 50% for the first one, and 50% of 50% for the second.

There isn't a debate, there are just people who've tested it and people who assume it works a certain way. It's 32% half cast, 4% quarter cast.

http://www.guildwarsguru.com/forum/s...d.php?t=119826

I must admit that the image by savio in the thread he posted explains it the best. Sure I believed Ensign, but seeing that really helped.

http://www.guildwarsguru.com/forum/s...28&postcount=8

Nice visual aid there
Im always surprised at how much difficulty people seem to have with basic maths...

yes they stack on my fire ele i got 20% recharge 10% casting rod and 20/20 artifact... there have been times that i casted meteor shower instantly.... now since theres a post about this its prolly gonna get nerfed

why would the nerf a desired game machanic?