Mod enters 5 levels of sneak skill and system of the factors influencing efficiency of sneaking.
When you'll be becomes more professional in Sneak skill, penalties gradually can turn to the bonuses.
For game it is not required any special actions, simply play game.

You can look final value of Sneak skill in character menu, when you are in sneak-mode.
When you are not in sneak-mode, you will see your usual (base) value of Sneak skill.


Details:
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I. 5 Levels of sneak skill:
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1) Novice («Sneak» less than 25)

Wearing a cuirass: Heavy Armor -9, Medium Armor -5, Light Armor -3
Wearing boots: Heavy Armor -6, Medium Armor -4, Light Armor -3
Weapon Out in Sneak-mode: *small one-handed -4, **medium one-handed -6, ***massive two-handed -9


2) Apprentice («Sneak» from 25 to 50)

Wearing a cuirass: Heavy -8, Medium -4, Light -2
Wearing boots: Heavy Armor -5, Medium Armor -3, Light Armor -2
Weapon Out in Sneak-mode: small -3, medium -5, massive two-handed -8


3) Journeyman («Sneak» from 50 to 75)

Wearing a cuirass: Heavy -7, Medium -3, Light -1
Wearing boots: Heavy Armor -4, Medium Armor -2, Light Armor -1
Weapon Out in Sneak-mode: small -2, medium -4, massive two-handed -7

4) Master («Sneak» from 75 to 90)

Wearing a cuirass: Heavy -6, Medium -2, Light 0 (Does not influence)
Wearing boots: Heavy Armor -3, Medium Armor -1, Light Armor 0
Weapon Out in Sneak-mode: small -1, medium -3, massive two-handed -6

5) Grandmaster («Sneak» more than 90)

Wearing a cuirass: Heavy -5, Medium -1, Light +1
Wearing boots: Heavy Armor -2, Medium Armor 0, Light Armor +1
Weapon Out in Sneak-mode: small 0, medium -2, massive two-handed -5

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*small one-handed: Short blade, Thrown weapon.
**medium one-handed: Long blade 1 hand, Blunt 1 hand, Axe 1 hand, Bow.
***massive two-handed: Crossbow, Long blade 2 hand close, Blunt 2 hand close, Blunt 2 hand wide (Staff), Spear 2 hand wide, Axe 2 close.

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II. Does not depend on skill "Sneak":
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Sneaking without cuirass +3
Sneaking without boots +2
Sneaking with Shield: Heavy -10, Medium -8, Light -6

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III. Sneaking in Exteriors (only):
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Morning (from 5:00 to 8:00) -5
Day (from 8:00 to 19:00) -10
Evening (from 19:00 to 21:00) -5
Night (from 21:00 to 5:00) +5

Weather:
clear, cloudy, foggy, overcast: 0 (Does not influence)
rain: +2
thunder: +4
ash, blight, snow, blizzard: +6

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IV. Sneak Attack:
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Damage multiplier for successful sneak attacks have been increased to x10