Dice

There are 7 different dice in Descent: Journeys in the Dark (Second Edition) grouped into three types.

All sides of all dice

• The Blue die is called the Attack Die, and is used for almost every attack. Please note that not every damage-dealing ability is an attack.
• The Yellow, Red, and Green dice are called the Power Dice, and are usually used in conjunction with the Blue die to roll "an attack." Only the Yellow and Red power dice were included in the Base Game; the Green power dice were added in later expansions.
• The Brown, Gray, and Black dice are called the Defense Dice, and are usually used to defend against an attack, while the Gray and Black dice are used together for , , , and tests.

Probabilities

Blue			Yellow			Green			Red			Brown			Gray			Black
Range			Range			Range			Hearts			Shields			Shields			Shields
Miss (X)	1/6		Range 1	3/6		Range 1	3/6		1	6/6		1	3/6		1	5/6		2	5/6
Range 2	5/6		Range 2	1/6		Hearts			2	5/6		2	1/6		2	2/6
Range 3	4/6		Hearts			1	4/6		3	2/6		Miss	3/6		3	1/6		3	2/6
Range 4	3/6		1	5/6		Surges			Surges						Miss	1/6		4	1/6
Range 5	2/6		2	2/6		1	4/6		1	1/6								Miss	1/6
Range 6	1/6		Surges
Hearts			1	3/6
1	5/6
2	3/6
Surges
1	2/6

• Note, the displayed probabilities for Range, and are the probabilities the respective die roll will result in at least that much

Combo	Average Range	Average	Chance for 1 or more	Chance for 2 or more	Chance for 3	Chance to Miss
Blue/Yellow	4.7	2.8	69%	20%	0%	17%
Blue/Red	4.0	3.8	50%	7%	0%	17%
Blue/Yellow/Yellow	5.3	3.9	85%	45%	10%	17%
Blue/Yellow/Red	4.7	4.9	75%	28%	3%	17%
Blue/Red/Red	4.0	5.9	58%	14%	1%	17%
Blue/Green	4.5	2.3	80%	27%	0%	17%
Blue/Red/Green	4.5	4.4	83%	36%	4%	17%
Blue/Yellow/Green	5.2	3.4	90%	53%	13%	17%
Blue/Green/Green	5.0	2.9	93%	62%	18%	17%
B/Y/Y/Y	6.5	5.1				17%
B/Y/Y/R	5.7	6.1				17%
B/Y/Y/G	6.2	4.6				17%
B/Y/R/R	4.8	7.1				17%
B/Y/R/G	5.3	5.6				17%
B/Y/G/G	5.8	4.1				17%
B/R/R/R	4	8.1				17%
B/R/R/G	4.5	6.5				17%
B/R/G/G	5	5.1				17%
B/G/G/G	5.5	3.6				17%
R/R/G/G	1	5.7				0%

The table above assumes the attack is not a miss (excludes this as a possible result). The probabilities including the possibility of a miss is 0.83 multiplied by the values listed. 

Attribute Tests

Attribute tests are made with 1 Gray die + 1 Black die. Your attribute must be equal to or greater than the number of you roll.

The Lucky column assumes a hero will use Lucky Charm to reroll in case of failure. The Fortune column assumes an Overlord will use Dark Fortune or a hero will use Fortuna's Dice to reroll one of the dice in case of initial failure. The Wicked column assumes an Overlord will use Wicked Laughter if a hero initially passes their attribute test. The Wicked column also applies to Befuddle, except that for the Attribute 0 row, the probability of success is exactly 0.

Attribute	Pass	Lucky	Fortune	Wicked
0	2.8%	5.5%	7.4%	0.1%
1	11.1%	21.0%	24.1%	0.3%
2	22.2%	39.5%	38.9%	2.5%
3	52.8%	77.7%	79.2%	11.7%
4	72.2%	92.3%	92.1%	38.1%
5	91.7%	99.3%	98.1%	66.2%
6	97.2%	99.9%	99.5%	89.1%
7	100%	100%	100%	97.2%