The Great Divide: Why Gen II Pokemon Can't Reach Gen III

If you grew up trading Pokemon on a Link Cable, there is a hard truth waiting for you: the Pokemon you caught in Red, Blue, Yellow, Gold, Silver, or Crystal cannot be moved into Ruby, Sapphire, or any game after it. Not with a cable, not with a special item, not with any official tool. This is the single true wall in the entire history of Pokemon transfers, and collectors call it the Great Divide.

What actually broke

Generations I and II ran on the Game Boy and Game Boy Color. Their Pokemon data was tiny and simple - there were no held items, no natures, no abilities, no IVs as we know them today. When Generation III arrived on the Game Boy Advance in 2002, Game Freak rebuilt the data structure from scratch to support all of those new systems. The two formats are mutually unintelligible, and the GBA hardware simply cannot perform a Game Boy link trade.

Nintendo made a deliberate choice not to build a converter. So the cartridges you own from the 1990s are, in a very real sense, the end of the line for those specific Pokemon.

The time-travel loophole

There is one way around the wall, and it is less a transfer than a do-over. In 2016 and 2017, the original games were re-released as Virtual Console titles on the Nintendo 3DS. These digital versions can do something the cartridges never could: send Pokemon through Poke Transporter into Pokemon Bank, and from there up into Pokemon HOME.

So a Charizard caught in Virtual Console Blue really can end up in Scarlet and Violet. But notice the catch - it has to be caught again in the Virtual Console release. Your original 1998 cartridge Charizard stays exactly where it is.

The Great Divide is the reason the franchise treats 2002 as a clean reset. Everything from Generation III forward forms one continuous, climbable chain. Everything before it is a separate, sealed era - unless you re-enter through the Virtual Console door.