Rigale is a gameplay modification to Warband. It adds many new features, like guilds, exploration system, quests, quite extensive crafting, epidemics, village specialties, many new skills (scouting, camping, shamanism, bard, mining, ambushing...), gathering system, shamanism, exhaustion system, and many other things
"You globally don't understand why you failed"
Wat?
There is an "intelligence" global check, to see if you learn overall XPs from this failure, and herboristery check, to see if you learn more specifically herbalism skill points.
You have many ways to earn XPS, both party, player and skills related, in Rigale :-)