In Pokemon Platinum, you don't battle Cyrus at Spear Pillar. Instead, you fight him in the Distortion World. After beating him, Cynthia heals your Pokemon and then you battle Giratina.
No. After you beat Cyrus for the third time, he leaves and never returns.
Cyrus will have one when you battle him in the Team Galactic headquarters in Veilstone City.
you will just have to try and remember the way out or battle Cyrus again and then Giratina
No, After U Defeat Him In Diamond/Pearl/Platinum U Defeat Him He Compleatly Dissapears
After you beat Cyrus in a battle for the last time in Distortion world you will then try to catch Giratina.
Beat Cyrus and he gives you a master ball. Keep it and wait till you battle Giritina.
You will have to find the three Pokemon of the lakes, they at the places where you have to push the bolders. And this is important! Make sure you bring a Pokemon with strength! And before you battle Giratina, you will battle Cyrus, and you have to defeat him!
You can play battle revolution with Pokemon platinum.
The first time you see Cyrus is at Lake Verity
Pokemon battle platinum
You have to be in distortion world and battle Cyrus. The Pokemon that Cyrus sends out are all weak against rock type moves. He has a sneasel a crobat and a hounchkrow. Defeat him and he will give you a master ball. Follow him and he will tell you where the legendary Pokemon are