This skill enables a character to evade an enemy and sneak into a position behind him. If he succeeds against all opponents present he can attack from behind. A character will not use this skill if already attacking from behind.
Go to the description in the World of Dungeons encyclopedia
Repeated use of this skill will not affect your target if they still bear an effect resulting from this skill regardless of the source.
These bonuses and malus are effective when the hero has reached at least level 1 in this skill. (unless otherwise specified).