The Lanzarote Rocks Complete Bundle is live on Fab: three volumes of photoscanned volcanic rocks for Unreal Engine 5.5-5.7, $32.99 personal / $49.99 professional. Vol. 1 + 2 bought separately are $39.98 / $59.98.
Vol. 1 has 20 rocks with 3 LODs each (about 3K-6K, 200K and 2M-4M triangles), Nanite enabled, colliders, ORD maps and source FBX files. Vol. 3 is free for all license tiers, 10 rocks with 3 LODs each. Scanned on Lanzarote, made with RealityScan, ZBrush and Substance Painter.
Bundle: https://www.fab.com/bundles/ec1f0b36-6e1d-4e53-8219-6509182755b9
Free Vol. 3: https://www.fab.com/listings/6f1f7677-f4dd-47f8-9587-c0aa8a704985