1)Add features for mastery in skills: for example
master in healing can heal poison twice fast.
master of weapon can make 'special' hit.

2)All books has limitation for minimum of Le AND Literacy to read.


/// WATER FEATURE
Cave under water -> 
* search to find it
* -(100HP - swimming * 5)HP then visit it
* to implement: skills: swimming, searching, hidden traps/door. spells: water_walk.

3)Orc Cave
