If you mean Espion (the psychic eeveelution) then find in Eevee in the Pokemon Mansion Trophy Garden and level it up when it's friendship is high enough between 8am and 4pm, it will then evolve into Espion.
There is no Pokemon called Elspon sooo lol
To find TM46 in Pokemon Platinum you first need the HM move Cut. Now go to Eterna City and look near the northern part of the city for a tree to cut down. Past this tree and near a building should be the TM 46.
there is none you have to go to the pkm mansion then save at the owner's door go in keep pressing A until he says a pkm named "Porygon" is in the garden. (if he don't say it the 1st time then do in gme restart) (R+L+st+sl) THen when you find one trde it to a friend holding a certain item let him trade it back voila porygon2. go to Bulbapedia.Bulbagarden.net type in porygon voila again the item you need click on it then you find where it is.
To find TM46 in Pokemon Platinum you first need the HM move Cut. Now go to Eterna City and look near the northern part of the city for a tree to cut down. Past this tree and near a building should be the TM 46.
You get eevee to max happiness and level up at night.
there is only the sinnon region is Pokemon diamond
No, that's in sinnon reagon.
there is none you have to go to the pkm mansion then save at the owner's door go in keep pressing A until he says a pkm named "Porygon" is in the garden. (if he don't say it the 1st time then do in gme restart) (R+L+st+sl) THen when you find one trde it to a friend holding a certain item let him trade it back voila porygon2. go to Bulbapedia.Bulbagarden.net type in porygon voila again the item you need click on it then you find where it is.
go to canalave city. go to house near the man who takes you to iron island and talk to his son. after talking to the sun, talk to the man. he'll take you to full moon island and cressicla wil lbe there but it'll run away. And in its place is a pokeball. inside the pokeball is a lunar wing. take it and return to the man and sail back to canavle city. the man will take you to his son and his son is cured. now you can cressicla is roming around sinnon region at lv50. warning- cressicla runs away unless you use mean look or wobbuffet's shadow tab ability