This said I do not like your PP system, it might be good and well for a fighter but a mage has to spend 16 PPs for the theoritical training in one way, with your system he would need to directly go to bigger critters which would not be practical.
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Yeah this is something we should take in consideration... I didnt think about that... at this time, theoritical training is very unbalanced for mage, in part because trias are very hard to acquire and in other part because to gain PP, mages has to be able to kill monsters (and then have fighting abilities....) I know it because I\'m a mage. And I had the chance to team up with a friend of mine who is 100% fighter oriented.
Saying that, there should be many other ways to gain experience than by combat.
Now i\'m thinking about it and im not sure that the actual system is as good as I think it was...
I see three solutions: two which include my system and another one:
1: Everything we can do can potentially gives experience: combat, successfull casting, healing, making potions, training animal, quest, whatever you can do with your skills. Because now you have to use fighting abilities to gain xp (or you have to make damage to monster...) So lets apply this to everything. So every character will have a chance to gain PP the way he wants. One big disavantage: balancing.
2: Change and restrict the way we gain xp: no more by combat with comparaison of how many % of HP you damage the monster. Now the only thing that count is use skills.
3: No more xps, no more PP; We just pay for training a part of a skill at time and then practice to gain the skill. BUT, training cost (or number of training) should increase with the skill value; practice should increase a lot. Maybe here you could only train one skill at time but I really dont know. This solution is because XPs and PP way to evolve is in conflict with the theorical/pratice way (which is very very good).
maybe what I propose make non sense; its a brainstorming
