Iron Island was not large. It had only two small mountain ranges formed from mineral veins, along with an area at its very center surrounded by layer upon layer of Magnemite and Magneton.
That area possessed a strangely powerful magnetic field and even produced intense "magnetic storms" at certain times! Thus, Magnemite and Nosepass regarded it as forbidden grounds!
It was said that long ago, Iron Island had actually held only one enormous mountain peak, towering into the clouds!
Back then, the Sinnoh Region's natural environment had been erratic and extremely harsh! Along the eastern and western coasts in particular, fierce winds and torrential rain raged amid lightning and thunder! Meanwhile, Mt. Coronet in the center was shrouded in dark clouds and unending snowfall!
Iron Island lay right in an area frequently struck by thunderstorms! Finally, during one relentless thunderstorm, a terrifyingly powerful bolt of lightning split the island's mountain in two, shattering it straight down the middle!
The place where that lightning struck the ground, now the very center of the island, gradually became an Electromagnetic Field Arena!
Yong was not sure whether this was merely a rumor, but he knew that such an area offered enormous benefits to Steel-type Pokémon!
Moreover, he felt that there might be something unusual at the very heart of that magnetic field...
Taking advantage of the magnetic field and the surrounding mineral veins, Yong decided to put Steelix and Aggron right in the center. Bastiodon and Excadrill could stay at the edges. As for Aerodactyl, aside from maintaining its normal training intensity, it needed no special training until it took the Gene Potion to remedy its deficiencies.
After estimating the rough sizes of the mountain ranges on both sides, Yong decided to have Pupitar curb its appetite as much as possible and show