This skill is almost impossible to learn.
The skill is automatically in use.
One of first techniques ancient tribes of warriors learned was parrying hits with their weapons. It helped them to turn opponents hits against themselves, making those warriors who mastered this skill superb when compared to primitives that were not experienced in this. This skill however only parries hits, but is essential to all, who want to take their party alive through difficult situations in where monsters of awesome powers are encountered. A single hit from such monster can kill, unless it is parried so that no damage is received. This skill will save your life hundreds of times during your adventurous life.