Witchery Guide.
>The base accuracy of a VooDoo attack is equal to (1% of caster's Mastery (Power*Skill) + 70% of Skill) -30. It drops by 2 per every tile of distance.
>Difficulty of a VooDoo attack ranges from v. hard (+0 Accuracy) to v. easy (+40 Accuracy); accuracy is displayed when the 'alt' button is pressed.
>V. Defense decreases effective accuracy. If accuracy is greater than VDEF, the success is guaranteed. If VDEF is 56 higher than acc, the attack can never succeed.