surf to chainwood city and talk to the man in the pharamcy
You get the secret potion by talking to the pharmacist in Cianwood City. His house is in the south, south east of the gym.
You need to get all gold metals on all levels.
the potion is in the pharmacy in cianwood city
Earn gold medals for all castle crushed.
Well the gym leader will not be there if you do not get the secret potion. if you are talking about beating the 6th gym ( fighting type) the girl on top of the light house is the gym leader
Sybil isn't a real witch, even though her mother was, because her father was human. The secret ingredient to the spell is Kittens. The potion creates solid gold cat statues.
You got to go to the tower in the 6th town and to top and give her the secret potion then she is at the gym
you could find gold in secret mines. it is called secret mines because if you dug into gold the ceiling will shake.
you find the magician guy with the potions, he will give you every potion
You Need to finish it by destroying castles with completing gold pieces
i found gold when i went to my secret tunnel called me
you can probably find it on Ebay