You need to get to the top of Mt Cornet, you will need all the Hm's except cut. You need to go into Mt Cornet through HeartHome, you need to go north in the cave and surf across till you see rocks you can climb.
-Empol
The 8th Gym leader is in sunyshore city.
you just get stronger. geez
well go to the elitte four- i don't understand your question is it " what do i do after i defeat the 8th gymleader in Pokemon pearl?"
you have to of beat the snow point gym leader you have to of beat the snow point gym leader
In Pokemon Pearl version you fight the gym leader Norman. Pearl version is apparently not a legitimate version of the game and you will not be able to get into his gym due to a bug.
Simple. You need to beat the gym leader in Eterna City. She is only the second gym leader and her Pokemon are fairly easy.
In canalave city
The 8th gym leader is in sunny shore city
Wext.
you need to defeat the 8th gym leader
electric type Pokemon
Sunnyshore City
The 8th gym leader has a LV. 46 Raichu, a Lv. 47 Ambipom, a Lv. 48 Octillery, and a Lv. 49 Luxray
Raichu, Pikachu, and Octillery, I think.
His name is Volkner and he is the gym leader of Sunyshore. To get to Sunyshore travel to the right of Pastoria and lake Valor.
The third gym leader in poekmon pearl is maylene, a fighting type gym leader.
well after you are 7th gym leader you go to battle Dialga then go to the 8th gym place at sunshore city hope i helped :D:D:D:D:D:D:D:D:D:D:D-Starwest1
It is not possible to reverse the order of Gym Leaders in Pokemon Pearl. This is due to how the story of the game is written. And the fact that the 8th Gym Leader will be impossible to beat at the start of the game.
Wallace is the 8th gym leader PEOPLE!!!!!!!!!!!