Below is a guide on the location of the Soldiers’ Husks around Aetia Region in Xenoblade Chronicles 3.
Everblight Plain
Tutorial near Torchlight Hill
Southeast of Riccalo Pond
Rottswoe Battlescar – Southeast of Battlescar Ferronis Hulk
Yzana Plains
Southeast of Riccalo Pond
West of Colony 9 Front Gate
West of Shark’s Jaws Cape along the river
Alfeto Valley
Southwest of Alfeto Valley Mouth on ledge overlooking lake
Along the cliff directly east of the Gura Flava Lowlands during the main story objective to return to Colony 9 after meeting Vandham
South of Loch Ciel
Millick Meadows
Southwest of Kilmarris Highland in Viliera Hill
East of Luca’s Eyot
At Hilltop Caravan Accessory Shop, south of Luca’s Eyot
Murmur Rise – Northeast of Kamos Guidepost landmark
Kilmarris Highland – At the landmark
Next to the Millick Ravine Way landmark
Melnath’s Shoulder
Melnath’s Pass, Lower – West of Loch Ciel landmark
Coolley Lake – Just west of the Coolley Lake landmark
Captocorn Peak
Tsang Road – South of the Spiralhorn Baccro unique enemy
Southwest of Colony Omega Camp rest spot
South of the Nocclia Mire landmark
West of the Gava Junction landmark