William Ronald
Explorer
Truth Seeker said:Yes they do, but as stated in the PHB, it increases at a very slow rate. The mental cost has to be considered, if they wish to go that route.
And that is the requirement of being a barbarian in the first place, low Wisdom score or actually the Saving throw. Can't get around that.
Wisdom is listed as an ability important for several of a barbarian's skills, although the will save does progress slowly. Perhaps one thing to consider is the impact that this decision will have on those NPCs who know the character. The ninja clan may respect his decision to fight those who attacked his family, or they may feel that the PC has cut his ties to the clan.
I do not think that the ki abilities, which reflect intense mental focus and reflection, can be used while raging. Currently, intelligence, charisma, and dexterity based skills can't be used while raging nor can abilities that require concentration or patience, nor spells, nor items that require a command word. Although ki abilities are wisdom based, they do seem to require concentration on par with using a magic item, or turning undead.
A "civilized" character can go native, as can be seen in the movie "Dances With Wolves," Mind you, the character's previus society and associates may not take a kind view of this.