There's a hidden sun stone near lake Valor or you can dig them up underground.
It would be the same as PKMN Pearl & PKMN Platinum. In Diamond, you can get it in The Underground & Route 213. In Platinum, you can find it in the Solaceon Ruins. You must have a Poliwhirl, a Shellder, a Staryu, an Eevee, or a Lombre seeing you want a Water Stone.
PKMN (EVO) Growlithe + Eevee (Arcanine + Flareon)
In the Underground.
i do not know an action replay code for zoroark...... but if you have 2 ds's pkmn platinum d\p and pkmn b\w catch zoroark on pkmn b\w and trade it to pkmn platinum d\p hg\ss you can get him in us pkmn b\w comes out march 6th
you can evolve a gloom into a vileplume or a sunkern into a sunflora with a sun stone in PKMN SS versionGloom evolves with a Sun Stone into Bellosom in Pokemon SoulSilver.
you can get a sun stone only underground.at least that is where i got mine.i evolved my gloom into bellossom p.s. the sun stone evolves gloom into bellossom and sunkern into sunflora
get a gracedia flower and have shaymin hold it during day only (if you are on pkmn diamond or pearl you will have to get a friend to trade a Pokemon holding it from pkmn platinum)(if you are on pkmn platinum a girl in the flower shop in floaroama city)
go underground and dig one up
its REALLY easy if you have an underground kit go under ground and dig for it! 75% of the time if its not a sphere its defiantly a sun stone
Try Gloom. It will evolve into a Bellossom.
darkrai doesn't have an event on pkmn ranger but as for pkmn platinum, perl, or dimond check serebii.
In regards to PKMN Platinum, Minun can be found in the Trophy Garden after speaking to the owner. Upon speaking to him, you will be informed of a new pkmn inhabiting the area that day. The pkmn may not necessarily be Minun, however, this event can be redone everyday. The pkmn is determined upon speaking to the owner, so soft-reset'ing for a Minun is also possible.