There are lights shining bright in several places with known temple, like Cloud City, Cactuar Island, and others. There are several lights blinking, though. Perhaps rumored locations? Lights revolve around the Northern Expanse and many flash all over the oceans.

There isn’t much information, though. Seems like the Museum knows as much about these Eidolons’ locations as the Heroes do.

> Press the button again
> Leave exhibit