.: Help for skulduggery (skill)

The skulduggery skill is actuall several skills you learn. 

Each skill is improved by your stats and level as well.

Usage: 

(Lvl 1) sneak [direction/exit] Remain hidden for a period of time, even when moving between areas.
(Lvl 2) bump [enemy] Bump into a player or NPC, causing a fraction of their coins to drop to the ground.
(Lvl 3) backstab [enemy] Guarenteed critical on successful attack.
(Lvl 4) pickpocket [enemy] Gain ability to steal from players and NPC's while hidden.

Odds of success on a bump attempt: attackStrength / 2 / LevelDifference
On success up to 25% of their gold will drop to the floor.

Odds of success on a pickpocket attempt: ((attackSpeed+attackSmarts+attackPerception)/3 - defendPerception) / LevelDifference
You gain a +15% chance of success if you are sneaking at the time of a pickpocket attempt.
On success you steal at least 25% of their money and 1 item.