1d60 any roll
Rank S in skill the roll must be above 2 ((60-(6*10)) + 2) 96.66666666666667 %
Rank A in skill the roll must be above 10 (60-(5*10)) 83.33333333333334%
Rank B in skill the roll must be above 20 (60-(4*10))  66.66666666666666
Rank C in skill the roll must be above 30 (60-(3*10)) 50%
Rank D in skill the roll must be above 40 (60-(2*10)) 33.333333333333335%
Rank E in skill the roll must be above 50 (60-(1*10))  16.666666666666664%
Rank F in skill the roll must be above 60 (60-(0*10)) – Instant fail 0%

Stealth attacks do 2x damage

Standard Health: 100HP – Standard for most games anyway... (This is not modifiable by items or stats)
Damage is NOT effected by rank in that weapon class, only your chance to hit.
Players can NOT activate sneak during combat, the enemy would already be aware of their presence.

Rank S in combat does 60 damage
Rank A in combat does 30 damage
Rank B in combat does 20 damage
Rank C in combat does 15 damage
Rank D in combat does 10 damage
Rank E in combat does 5 damage

Skills
Various
Lockpicking
Speech (Lie detection, speech recog.)
Stealth (Including Sneak and stealth kills)

Combat
Melee Combat
Ranged Combat (Non-Magic)
Magic Combat


Magic
Fire Magic
Ice Magic
Water Magic
Earth Magic
Chaos Magic (Madness / Chaos)
Dark Magic (Voodoo, Swamp Magic, Cthuluism)
Light Magic

Branches
Technology (Hacking, computer skills)
Medicine