On PKHeX and the various parameters   Den IDs for Gigantamax (usually 5 stars, 5% in Rare Den [randroll 95 to 100])   Galar mainland Physical dens and the species within: Isle of Armor Physical dens and the species within: This link pretty much compares dens and their in-game values, to the nests (which Serebii uses as Dens). Important to note that Serebii's nests comes from datamining, so it too uses in-game values. https://leanny.github.io/seedchecker/index