Wulf Corbett wrote:
...
> This only further emphasises how pointless other
> magics like Leaps, Runs, etc. are, if they can be duplicated by
> mundane abilities at lesser cost (in time and effort, represented by
> HP).
...
An affinity that has only a Run Fast feat would, indeed, be
pointless. But affinities provide many more feats, some of which
enable 'impossible' things.