Crescillia is on new moon island you can get there by going to the sailors house in canalave city and speak to woman then go on the ship to island and you will find cresillia and receive a lunar feather then crescillia will then rome around sinnoh like the three lake Pokemon.
There is no 'platnium', but you can find it on wild pokemon.
you cant catch it in platnium but you can trade it
spell you trash 'platnium'=Platinum
by-Pokeexpert980 The same as PEARL/DIAMOND/PLATNIUM 493
pipes
the most wanted in this houshold is Pokemon platnium
No, you'll have to trade it from Platnium. Which in Platnium you find it in the Rock Peak Ruins.
dr.jesue
Pt
112
No
quaqsire