cubone evovles once
Chimchar evolves twice in Pokemon Diamond Version. From Chimchar to Monferno to Infernape.
2 Times.
You can evolve your chao 2 times so you can get a chaos chao so 2.
Once
Skarmory does not evolve.
You can find out how many times you have beaten the Elite Four in Pokemon Diamond by checking your PC in the game.
12 times
SoRrY, bUt ThErE iS nO fRoSsLaSs In PoKeMoN dIaMoNd.... but there could be, i may be wrong. but there are many websites you can go to to find out.
can't prove it but i heard 3 times.
2 times. First Time: Pignite Second Time: Emboar
It evolves 1 time at level 28.