How To Boost Your Star Ranking In Pokemon Legends: Arceus

gamespot.com:

Pokemon Legends: Arceus is a very different kind of Pokemon game in some key ways. One of those is that as you progress through the story, you'll often be required to increase your Star Ranking for the Survey Corps to gain access to the next environment. Those also allow you to further progress the story, so it's important to know how to boost your rank.

You'll raise your rank by completing progress toward your Pokedex. All progress is good progress, so completing any Pokedex tasks will give you at least some star ranking progress. But the biggest rewards come from completing Pokedex entries, which is achieved by achieving any 10 tasks from your checklist for a given Pokemon. You can turn in your tasks to Professor Laventon at any base camp, or in the village. Here are some tips for filling up the Pokedex fast.

It can be difficult to remember what tasks you need to complete next for a given species, but that's mitigated somewhat by the ability to quickly pull up your Pokedex while targeting a Pokemon. Simply press Down on the D-pad while you have a Pokemon targeted with the L-trigger, and it will automatically pull up that specific monster's Pokedex entry for a quick glance at the tasks you're missing.

Pokedex progress rewards all sorts of tasks, including defeating Pokemon and seeing certain moves. The task for seeing a certain move are counted whether you're using the Pokemon to battle or battling against it. So to double your progress, just make sure you're using a Pokemon that is unfinished in your Pokedex, and seek out other Pokemon that are unfinished. That way you'll be completing tasks toward both of them at once.

Pokemon in Legends: Arceus don't evolve automatically. Once they've reached the requisite level to