A good Honkai Star Rail Robin build just needs two things, attack and energy. Robin's remarkable kit does pretty much everything else for you, including making it highly likely that she'll act ...

Robins nest all across Alaska and Canada and in most parts of the lower 48 states, except for the hottest southern regions.

To use this effect’s full potential, you have to build Robin differently than usual. If you want to use Robin as a buffer then the first two Eidolons are a better choice than Moonless Midnight.