the fire stone,moon stone, or any other kinds of stones
Go outside.
caves in dusck clouds
If you mean, de-evolutionary items, they don't exist. However, a Pokemon CAN hold an everstone, which prevents evolution (while holding it).
There is a dusk stone in mt.cornet, i think. I don't now where it is is but you have to ue surf to get it.
If you skip an evolution no change will be there in pokemon.
No, not every Pokemon is able to evolve. Some Pokemon have only a single form, meaning that it does not have a pre-evolution or evolution. Legendary Pokemon are most prevalent in this aspect - none of them have a pre-evolution or evolution.
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
Currently, pincer does not have an evolution.
Currently, seviper does not have an evolution.
All Pokemon evolve at different levels. However some require items to be held when evolving, evolution stones to be used or a certain happiness level to be reached.
Miltank does not have an evolution form in any of the Pokemon games.
If you cancel an evolution, your Pokemon will not be evolved. ( press B button when the Pokemon evolve )