It's these stone golems in particular that suggest Skara Nal is Zeffo in origin, seeing as how the massive walker resembles the species' flat head shape while being similarly powered via crystals, with both also wielding powerful lasers.

Source: https://screenrant.com/star-wars-fallen-order-zeffo-aliens-destroy-planet/

So she leads the Batch to the Skara Nal, which is another name no one had heard before, just like the Grand Pearls of Novak, but this one we can actually see, so okay.

Source: https://collider.com/the-bad-batch-season-2-phee-genoa/

What's impressive is how quickly Phee is able to identify it and work out how to access Skara Nal.

Source: https://collider.com/the-bad-batch-season-2-phee-genoa/