You go to the mystifieng forest and after defeating the guild members you go north.
Luminous Spring is only available in Pokemon Mystery Dungeon: Explorers of Time, Darkness or Sky. Luminous Cave, however, is found at Whiscash Pond.
there are no floors, just one, you can only evolve pokemon there
Well, for Mystery Dungeon Explorers of Time/Darkness, you need to go to Luminous Spring. To go there, you must finish the game. Hope it helps!
just catch the first evoulution and evolve it at luminous spring and y=then train it more go to luminous spring and it evolves into metagross
you need a fire stone then you go to luminous spring and evolve
when you finish the game ursaring will tell you the luminous spring is different and then when you go you can evolve rabidrabit
Give a Dusclops the item 'Reaper Cloth', and it should evolve at Luminous Spring.
go 2 luminous spring ON YOUR OWN after u have completed the game
(Spoileres!!!!!) after you graduate you get to go to luminous spring, then after palkia joins you You Can evolve And partner.
Level up a Cranidos to Level 40. Then take it to Luminous Spring. It should evolve.
there is no luminious spring in Pokemon platinum you do not need it to evolve Pokemon in that game Pokemon in Pokemon platinum can be evolved by lvl up trade and evolution items luminious spring is in Pokemon mystery dungeon explorers of time /darkness/sky
After you beet Darkrai, do A few missions then go to Luminous spring a you should eventually be able to, cause I did.