Why choose a randomized Nuzlocke? is already a tough game (looking at you, Cynthia), and adding a randomizer eliminates the advantages of prior game knowledge—forcing you to adapt on the fly and truly test your skills.
: Gym leaders and rival battles use entirely unpredictable teams.
If your first encounter on a route is a Pokémon species you already own, you can skip it and look for a different encounter.
Why do players seek out a "Rom Zip" of a randomized game? The answer lies in breaking the "solvable" nature of the original games.
Because a randomizer can cause you to run into the same common Pokémon repeatedly, most players use the . If your first encounter on a new route is a Pokémon species you already own, you can skip it and find a different one. Pro-Tips for Surviving a Diamond Randomizer