After you've completed the strenght puzzle, you can catch them in all of the tanoby rooms on seven island.
you can find unown I in Weepth chamber, unown ! in Viapois chamber, and unown ? in Monean chamber.
you can catch unown in the tabony ruins on 7 island after you acess the tabony key on 6 island and to get there you must beat four and give a ruby that you will find in one island unknown O is in the liptoo chamber
the "?" unown is in the same chamber as the "A" unown. the "!" unown is in the same chamber as the "Z" unown. it just takes time. be patient
Unown is a very common Pokemon that can be found in Dilford Chamber, Liptoo Chamber, Monean Chamber, Rixy Chamber, Scufib Chamber, Viapolis Chamber, and Weepth Chamber.
Nothing you just catch them that's it. Psst in the monean and viapois chamber you can rarely find a question and exclamation mark unown.
If you look carefully in the monean chamber and viapois chamber you can find a secret unown.
You have to catch the other 26 Unown first.
No, but the unowns canappear in the chamber by running around in it by this rate: unown E:2% unown I:8% unown N:60% unown S:30%
lower left chamber
Unown.
try roaming around in weepth chamber where youre most likely to get an unown p.thats where i got mine from.
You can catch unown in the Solaceon ruins on the right of Solaceon town