What are the Unowns in Pokemon Diamond used for?

Answer 1

The only "use" that unowns have that no other Pokemon has is that one can get free seals by showing the unowns to the capsule lady's son in solacean town. 10 seals will be given to you corresponding the first Pokemon in your party if it is an unown.

So if you had an Unown A in your front slot, you would get 10 "A" seals. If you want more than that, show the boy another Unowns then switch back to the first one.

Do you now the digging maniac that's asking for a little competition catching unowns?

When you got al unowns the digging maniac digged to the ruin where you got the unowns from, there you can get unown ! and ?.

When you have all unown go to that maniac with the unowns M A S T E R then you get 1 master ball when you talk to him. then do the same with the unowns C O W F A R. (note: maybe this is a hoax because I'm struggling to get unown z)

Editation Note: I have tried MASTER on maniac, didn't work.

hey have you ever pressed a on the wall with all the unowns on an translated them if you havent it says "friendship all lives touch other lives to create somthing anew and alive" very wierd oh and this it at the 1 at the bottem of the ruins

if u don't no how to get to the bottem just translate the 1 at the top again ive done it "top right lower left top right top left top left lower left" just follow this and at the end u will get 4 pokeballs with a rare candy a nugget odd incence and mind plate