entei, raikou, suicune, lugia, ho-oh, and celebi(if you somehow manage to get a GS ball, which is almost impossible)
yes they are preety rare in crystal they are really rare in gold and silver
NO!
Yes it is quite rare
get rare Pokemon and beat him with them!
The last answer doesnt work. And Pokemon yellow,red,and blue are not like Pokemon Gold,Silver, and Crystal. Trust me i havem all. The rare candy codfe is: 18790006467
Route 14, however, it is rare.
its just a rare Pokemon also its gyarados
Try using the pokemon gameshark code for rare candies: 01xx86d8 and replace the xx with 20 for rare candies.
No there is not who told you that? why did you believe them
they are rare in headbutt trees
They can be found in the dark cave but they are rare.
In Pokemon crystall Bill is the guy who makes the PC system and also likes rare Pokemon