Am i missing any echo's in any of these locations (i alr got the one in [spoilers])

[chilly aurora]

Reposted for spoilers

Regions i visited tell me if i missed a echo that i didnt know about:
Coral Caves,
Torrid Desert,
Terrentioral Railways,
Cold Storage,
Stormy Coast

Am i missing any echo's in any of these locations (i alr got the one in [spoilers])

There might be an echo there might not be idk how it works