The last two are Absol and Girantina. You can see Absol on your way to Snowpoint City. And you see Girantina at Speer Piller in the Distroison world. Hope this helps!
The last gym leader has one
You use the action replay, or get an event. The last way is the GTS.
yup
Arceus.
The last person of the Elite Four in Pokemon Platinum is Lucian, the master of Psychic-type Pokemon. After him is Cynthia, the Champion.
100
No. Black and white is like diamond and pearl. and after diamond and pearl, there's platinum, a combined version. so after black and white theres gonna be a combined version as well. i think its called Pokemon gray. im not sure if theres a version after gray. Probably, hopefully cause Pokemon is endless
Crystal version.
After you beat Cyrus in a battle for the last time in Distortion world you will then try to catch Giratina.
In the team steam hideout after snowce city
after you catch the six savage pokemon you have to find all seven sages
oh that's easy...use cheats action replay!