As well as being a key tool in shiny hunting in Pokémon Brilliant Diamond and Shining Pearl, the Poké Radar may prove crucial in finding certain Pokémon to complete your National Dex.
While many of these Pokémon can also be found in the Grand Underground, it can be a little bit of a lottery to have them spawn in the various Hideaways, or require statues to boost the chances of them appearing.
Here's the list of Pokémon from the National Dex you can only catch using the Poké Radar or in the Grand Underground.
First of all, though, you need to acquire the Poké Radar. Luckily, we have a guide to that and shiny hunting.
A huge part of the Pokémon experience is hunting for shinies, and the Poké Radar is a key tool. Here's where to get it and how to use it in Brilliant Diamond and Shining Pearl.
List of Pokémon
Bringing back ancient Pokémon from Fossils in Brilliant Diamond & Shining Pearlis as easy as taking them to Oreburgh City Museum - but where do you get them?