How do you get to Reign island in Pokemon glazed?

You can't get to Reign Island in Pokémon Glazed. Reign Island is a location from the Pokémon FireRed and LeafGreen games. It's not part of the Glazed game's map.

Pokémon Glazed is a fan-made game with its own original story and map. It's not directly connected to the official Pokémon games like FireRed and LeafGreen.

If you're looking for specific locations in Pokémon Glazed, you might want to consult a Pokémon Glazed walkthrough or a fan-made wiki for the game.