To battle the eighth gym leader of the Sinnoh region, you have to trigger an event. First, you need to reach Spear Pillar and capture or defeat Dialga or Palkia. In Pokemon Platinum, you will be dragged into the Reverse World, where you must find and battle Giratina Orgin Forme. Capture or defeat Giratina. After triggering this event, you will be able to go to Sunnyshore City. Volkner will be waiting at the gym, as indicated by Flint when you first enter the city.
Wallace is the 8th gym leader PEOPLE!!!!!!!!!!!
8th gym leader
The 8th gym leader is Drayden he uses Dragon type pokemon
The 8th gym leader is Drayden, who uses Dragon-type Pokemon. You face him in Opelucid City.
In the 8th gym. he is the gym leader
You battle the 8th gym leader, Clair, at Blackthorn City.
The 8th gym leader is in Viridian City.
Yes he is he is the 8th Gym Leader.
you beat the gym leader
The 8th gym leader is in sunny shore city
8th Gym Leader: Claire8th GYM Leader is Claire of Blackthorn City. She uses dragon Pokemon. Yes indeed Claire is the 8th gym leader in gold/silver/crystal and she uses dragon type Pokemon just like lance
Wext.