Pokemon: Leafgreen Version Easter Egg - Remnants of a Nest...

When going through Victory Road, in the room where you must push the boulder through the ONLY hole in Victory Road, there is a ladder leading down to the floor below. This is the second room you entered, and is special significance. defeat the pokemanic here if you wish, then continue right. There is a crater in the floor that stands out, as well as several char marks and a pokeball containing Guard Spec. This is Moltres's old nest, from Red, Blue, and Yellow!