WM is not necessary for non-hybrids and non-heavy-armor-users (and the latter one is debatable). So, if you already have 4 WM, put the last point into PS instead of into WM. If you don't have any WM yet, just don't invest any points till level 30 and see how you like it. If you feel you swing too slow, you can still add them into WM, if not, put them into riding.