You catch the unknown Pokemon in a cavern in the soleceon town ruins to reach them u walk above the poke center in soleceon town, then walk to the right a ways. Then, at the third path you go down it then walk to the right then up Into thecavern
That's not unknown that's "UNOWN" where you can catch that at Solaceon Ruins at Solaceon Town
In the Ruins
You can catch Unknown in the Ruins of Alph (near Violet City.) You cam unlock more Unknown by completing the wall puzzles.
you can read the unknown and you unlock ? and ! unknown
if you catch them all then go to the cave were the guy was digging on route 212 you can catch a question mark and exclamation mark unknown.
You catch them in the solaceon ruins in solaceon town
first u must catch unknown a to z and go to the maniac tunnel then go through the door at the end of the tunnel there u can catch unknown! and? copleting the set of 28
in the ruins of alph. Go through the houses they have entraces and do a puzzle. Once completed I guy will give you an UNKNOWN REPORT this then enables you to catch unkowns
No
Go to scolaceon town's ruins and run around and poof!!! You have unknown. But, bring dusk balls to catch them. Also when you catch all of the unknowns (A to Z) Go to maniac cave go all the way down maniac says he dug into this weird place and go in and you can battle ! and ? unknown.
I dont know what happen in diamond, but in platinum you can catch ! and ? unowns.
catch all the unknown from a-z then go to the digging manic
U go to the Sucfib Chamber