Here's a full list of nymphs found within Eternal Holy City Okhema in HSR! The past-era version ... Topaz and The Herta can help you locate chests more easily. The Herta's skill locates up ...

That being said, while leveling up The Herta, just like any other unit, you get three Star Rail Passes at Ascension Levels 1, 3 & 5, which you can use to perform gacha pulls on the Honkai Star ...