Formulas and Game Mechanics

Spellcasting

Chance to Cast

( Gathered from Wilki's statements in http://boards.stratics.com/php-bin/uo/showflat.php?Cat=&Number=7087151 )

• ChanceToCast = ( ( Skill - ( Difficulty - ( Focus / 2 ) ) ) / Focus )%
• Chance to Cast can never be negative, nor over 100%.
• If Chance to Cast is lower than the Minimum Requirement, spell cannot be successfully cast.

Definitions

• Skill: The caster's skill level.
• Difficulty: the point where you have 50% to succeed
• Focus: How wide the "window" is between 0-100%, centered on the difficulty value
• Minimum Requirement: Minimum chance to succeed before casting is possible

Values

Difficulty

Chivalry

• Cleanse by Fire: 30
• Close Wounds: 25
• Consecrate Weapon: 40
• Dispel Evil: 60
• Divine Fury: 50
• Enemy of One: 70
• Holy Light: 80
• Noble Sacrifice: 90
• Remove Curse: 30
• Sacred Journey: 40

Magery

• 1st Circle:
• 2nd Circle:
• 3rd Circle:
• 4th Circle:
• 5th Circle:
• 6th Circle:
• 7th Circle:
• 8th Circle:

Focus

• All Bushido: 50
• All Chivalry: 50
• All Magery: 40
• All Necromancy: 40
• All Ninjitsu: 50
• All Spellweaving: 50

Minimum Requirement

• All Bushido: 25%
• All Chivalry: 0%
• All Magery: 0%
• All Necromancy: 0%
• All Ninjitsu: 25%
• All Spellweaving: 25%