1.Go to Floor 5
2.Go to the bottom and battle the grunt
3.Pick up the item.
4. Go to floor 3
5. Go to where there is a left gate and a right gate.
6. Go into the portal in the left gate.
7. Move on NOTE: GARY BATTLE AHEAD. HEAL FIRST.
8. Defeat Gary.
9. Optional: Talk to the guy next to Gary because he gives you LV 25 Lapras.
10. Move on and battle Giovanni
Now do you know how?
On the 5th floor of silph co.
7th floor.
you get it in silph co which is in saffron city. after the boss fight, the leader of silph co gives you one.
In Sliph co., just before the fight with Giovanni, and after the fight with the rival, there is a man that gives it to you
You must get to the top floor in Silph Co. and beat Giovanni. Once the battle is won talk to the President of Silph Co. to receive the Silph Scope.
You have to go to Silph Co in Pokemon LeafGreen. You have to go there to get the Silph scope, which you need to advance.
On the 5th floor of silph co.
Silph Co.
All you need to do is find Giovanni and defeat him.
You should get the Master Ball by talking to the President of the Silph Co. in Safron City after you saved him by defeating Giovanni.
After beating Giovanni at silph co and the game corner he will be at viridian city you need to go there with high level Pokemon to beat Giovanni one more time for the badge.
7th floor.
You don't. The only one you get is from the Silph. Co. President after you beat Giovanni in Saffron City. There aren't any more.
Saffron City.
you get it in silph co which is in saffron city. after the boss fight, the leader of silph co gives you one.
The CEO of Silph Co. will give it to you after you beat Giovanni at Silph Tower.
Get the silph scope at silph co in Saffron city. Then you'll be able to fight the ghosts.