Indeed so, but that goes for myself at the moment as well, [he explains, easily bringing forward a layer of visible hamon over himself.] According to many others here, it occurs about twice a year.

[If Diego's ability is in place, and the other is aware though...] Then...would it be incorrect to assume the pokemon I saw just now was your doing? I was never able to see it in action! Your alternate self, he explained quite a lot about it- it seemed an impressive ability, and I was curious to see how it operated! [He somehow manages not to trail off on the fact that this last Diego obviously vanished before then.]