Oneironauts
(see http://www.alatha.com/difficultiesanddamagecharts )

Difficulties

Level Effort For Average Person Dots Dice

0 Effortless 1-3 1D-1

1 Quite Simple 3-5 1D

2 Simple 6-10 2D

3 Moderate 10-13 3D

4 Complicated 13-16 4D

5 Quite Complicated 16-19 5D

6 Difficult 19-21 6D

7 Very Difficult 21-25 7D

8 Epic 26-30 8D

9 Supernatural 31+ 9D

Modifiers

Degree of advantage Dots Dice

Slight Advantage 1-5 1D

Decent Advantage 6-10 2D

Solid Advantage 11-13 3D

Decisive Advantage 14-16 4D

Overwhelming Advantage 16+ 5D

Also assuming the average roll on a six-sided die to be 3.5 allows the use of the the formula 3.5x (such that x= the number of dice) as a way to predict/suggest outcomes or difficulties.

Damage Table

Points of Damage Status Effect

1-3 Stunned -1D to all rolls except Body that round and following

4-8 Wounded -1D to all rolls except Body till healed

9-12 Incapacitated no actions may be taken for 10D minutes

13-15 Mortally Wounded each round roll 2D, when that is less than rounds affected, you are dead

16+ Dead you are dead

Optional Hit Locations

1-Right Leg

2-Left Leg

3-Arms

4-Chest

5-Chest

6-Head