Dowse

Find water.

                                      ,
                                   -===>)))o
                           /\      .   '| \
                           ||     /(__  /- )
                         |_/\_|  ,--  ---._|
                          \()/  /-   /     \
                           ||   >/-/-       |
                           ||   "  /  .     |
                           ||     /  /      |
                          (||\___/' /\_,  __(
                          `--...__./  |-\\\\\\
                           ||        /--\||||
                           ||       /   |///|
                           ||      /   /\   |
                           ||     |__/'  \__\
                           ||     ((((   (((((
                           ||     )))))   )))))
                     ______||_____(((((___(((((____
                    /      ||      | /     | /

/(_/(_/(_/(_/(_/(_/(/ || __./' \_ _./' \_

                  /        \/ ////---\_)/----\_)

Using dowse, a barbarian can create a pool of water. The skill requires a divining stick, which can be found in the Northern Plains.