>>27003945OP here, I was actually thinking it would be good for an ability which reduces damage from moves that hit it before it attacks.
A decently-fast mon wouldn't be outsped often, but often enough for it to be viable against frail all-out attackers and priority users. It would also help it switch in, like a reverse-Analytic. Damage mitigation abilities are very rock-type, so I think it would be consistent with its typing while also being useful and unique.
>Faster mons do reduced damage>Slower mons get edgequakedYou could even give it a Lagging Tail.
That said, I guess the ability doesn't really matter to me, I just want the typing and stat distribution.