| Poodu |
Lastwall Affinity means that this is a local trait from the Lastwall region.
So if you are playing in a Golarion setting, the feat would be available to characters from that region. Depending on the GM this could be hand-waved, required, or the feat could be unavailable. I have seen all three be used.
| Isil-zha |
fleet: feat that increases unencumbered speed by 5 (also dervish dancer class feature with different mechanic)
fleet-footed: racial trait that gives run and initiative bonus (e.g. alternate racial trait for elves)
fleet footed: mobile fighter class feature
fleet of foot: halfling alternate racial trait (increasing base speed to 30)