Below is a guide on the location of the containers around Fornis Region in Xenoblade Chronicles 3.
Eagus Wilderness
Napon Coin (Silver) x5
On a ledge next to a zipline in Reith Valley, which is south of Ordell Ravine Way
Gemstone x3, Foot Protector
Piento Basin, northeast of Galghour’s Menhir
Nopon Coin (Silver) x2
Piento Basin, south of Galghour’s Menhir
Gemstone, Gungnir Celeblade
Southwest of Menno Arch
Gemstones, Soldier’s Headband
Jump down on the west side of the Wall of the Great Hand then hug the left side and go through a cave to reach the container on a cliff
Shell Cameo, Gemstone x2
In Barren Knoll, east of Wall of the Great Hand
Nopon Coin (Silver) x2
Racine’s Platter, southwest of Galghour’s Menhir
Gemstone x3, All-Nighter-Pot, Garnet
In Bennel Cave
Nopon Coin (Silver) x2
Colony 4 Ferronis Hatch behind some stacked containers
Nopon Coin (Silver) x2
Colony 4 Central Hangar on upper walkway
Gemstone x4, Assault Stone
Colony 4 – From the Central Hangar, take the stairs to the left up. At the top, head through the doorway and take a right. Go up the set of stairs outside. Next, head straight through the doorway and go up a flight of stairs then down a flight of stairs. After reaching the bottom of the stairs, you should be back outside. Take a right and follow the path all the way to the end to find the container.
Nopon Coin (Gold) x1
Colony 4 – Accessible via the rope from the ship. You’ll unlock the Rope Sliding ability in Chapter 4 after completing a hero quest as part of the story!
Gemstone x3, Heavy-Duty Firelighter
Southeast of Gorge of Odie in Nih’l Valley
Gemstone x3
Racine’s Platter – On a hill near Quicksand Basin
Wind Bracelet, Gemstone x4
Racine’s Platter – South of Hegemon’s Seat
Pure Gemstone x3, Bond Fragment
Reith Valley – Northeast of Menno Arch accessible via the Rope Sliding ability, which you obtain in Chapter 4 after completing a hero quest as part of the story!
Ribbi Flats
Gemstone x3
Sparres Barr – West of Llyn Nyddwr Camp
Gemstone x3
Tonic Waters – Southwest of Killy Flors
Gemstone x5, Circlet of Intellect
Laprel Knoll – Southwest of Shikashaka Mesa
Nopon Coin (Silver) x5
Laprel Knoll – Southeast of Igno Viaduct
Nopon Coin (Silver) x2
Cailin Drum – Northeast of Igno Viaduct
Gungir Celeblade, Gemstone x3
Sage’s Balcony – Accessible via cave in Caitlin Drum which is northeast of Igno Viaduct
Gemstone x4, Steam Belt
Grun Slope – North of Colony 30 Cave Mouth landmark
Gemstone x5, Buffeting Necklace
Tirkin Headquarters – Guarded by Hedonist Tirkin (Level 23)
Nopon Coin (Silver) x2
Colony 30 – In a storage container near the barracks
Nopon Coin (Silver) x2
Colony 30 – Maintenance Bay
Nopon Coil (Gold)
Colony 30 – On a platform at the water level underneath the colony
Nopon Coin (Silver) x5
Paltir Hillock – Reachable via the path underneath Colony 30
Gemstone x3
Terra Wastelands – East of Magglia Lake landmark in the back of Valdi’s storage area
Nopon Coin (Gold) x1
Isla Passerate – Reachable via the Rope Sliding ability unlocked in Chapter 4
Pure Gemstone x2, Sapphire
Caitlin Drum – Northeast of Conqueror’s Peak – Reachable via the Rope Sliding ability unlocked in Chapter 4
Dannagh Desert
Pure Gemstone
Milio Trick Caverns
Nopon Coin (Silver) x5
Sage’s Domain – Pass through the Milio Trick Caverns to reach the Sage’s Domain
Nopon Coin (Silver) x2
Namba Mound – East of Raptor Perch
Gemstone x3
Namba Mound – Bottom of a quicksand pit guarded by 2 elite Growsa Aspar northeast of Namba Mound Camp
Iron Temple Guard, Gemstones x4
North of Quicksand Basin
Nopon Coin (Silver) x2
Southwest of Zorza’s Stonehammer
Gemstone x3, Mjolnir Celeblade
Alefa Skysphere – West of Quicksand Basin landmark and is guarded by Crystalline DuGarre
Power Bangle, Gemstones x5
Great Idalla Ravine – Southwest of Namba Mound Camp guarded by Scornful Daria
Nopon Coin (Silver) x5
Ypsil Hill – Southeast of Namba Mound Camp guarded by an elite Diggel Grebel
Nopon Coin (Silver) x2
Raptor Perch – Just north of Raptor Perch landmark
Nopon Goin (Gold) 3, Silver Belt, Brute Memory, Pure Gemstones x2
Apex Wing – At Desert Ferronis Hulk landmark
Nopon Coin (Gold) x2, Jade Support, Circlet of Wisdom, Pure Gemstones x2
Apex Wing – At Desert Ferronis Hulk landmark
Pure Gemstone
Limoux Hill – Northwest of Raptor Perch on ledge overlooking Colony 4; guarded by an elite Level 34 Dragguia Ropl
Nopon Coin (Gold)
Peshris Fountain – Just south of Peshris Fountain landmark; guarded by an elite Level 35 Yaghini Aspar
Pure Gemstone x3, Crystal Chemise
Limoux Hill – On side of cliff west of Glam Rock landmark
Rae-Bel Tableland
Nopon Coin (Silver) x2
Lisza Garden – Northeast of Conqueror’s Peak
Gemstone x4 , Shadow Mask
Isnie Ledge – On cliffside underneath Forerunners’ Tower secret area
Gemstone x5, Engineer Gloves
Isnie Ledge – East of the Forerunners’ Tower secret area
Gemstone x3, All-Nighter Pot
Dumas’ Jaw – Northwest of Conqueror’s Peak
Gemstone x3
Lomi Hill – Southeast of Saffronia Tree landmark
Gemstone x4 Friendship Bangle
Pinasa Highland – Southwest of Saffronia Tree landmark
Nopoin Coin (Gold) x3, Gemstone x3, Smart Protector, Sapphire
Rutez Barr – At Tableland Ferronis Hulk rest spot
Nopon Coin (Gold) x3, Gemstones x4, Repulsor Cuffs, Auto Balancer
Rutez Barr – At Tableland Ferronis Hulk rest spot
Gemstone x3, Heavy-Duty Firelighter
Lomi Hill – West of Saffronia Tree landmark
Cracked Crystal, Gemstone x4
Old Kana Battlefield – West of Seilas Terrace Camp rest spot
Nopon Coin (Silver) x2
Urayan Tunnels, Entrance – On ledge overlooking area northeast of the Urayan Tunnels, Entrance
Gemstone x5, Ice Headband
Seilas Terrace – East of Saffronia Tree landmark
Nopon Coin (Silver) x5
The Lace Subterranean – Just south of The Lace Subterranean landmark
Pure Gemstone
Tilpa Scree – Southwest of Orochi’s Crag landmark
Nopon Coin (Gold)
Valley of Anguish – North of Orochi’s Crag landmark
Pure Gemstone
Elsayer Cape – South of Orochi’s Crag
Elaice Highway
Pure Gemstone x2, Scout’s Kneeguard
Tepnos Heights – North of Dies Arch landmark
Nopon Coin (Silver) x2
Three Heroes Peak – Southeast of Colony Iota South Gate landmark
Pure Gemstone
Colony Iota – Just south of the Colony Iota Base Entrance landmark
Nopon Coin (Silver) x5
Colony Iota – In a container north of the Colony Iota Base Entrance landmark
Nopon Coin (Silver) x5
Colony Iota – In the far southwestern corner of Colony Iota
Pure Gemstone
Mehnert Interdigit – North of Colony Iota Base Entrance landmark
Pure Gemstone
Great Liente Shelf – Near the Purus Palecolumn landmark
Pure Gemstone x3, Shell Cameo
Great Liente Shelf – In a nook southeast of Purus Palecolumn landmark
Pure Gemstone
Hictern’s Cleft – East of Visura Parkland Camp rest spot
Adamantine Gauntlet, Pure Gemstone x3
Igna Conglomerate – Guarded by the unique enemy Villainous Igna
Nopon Coin (Silver) x2
Zain’s Talon – East of Purus Palecolumn landmark
Nopon Coin (Gold)
Zain’s Talon – South of Visura Parkland Camp rest spot; reachable via a climbable wall
Nopon Coin (Gold)
Carafe of Plenty – Area underneath Distant Fingertip
Nopon Coin (Silver) x5
Torus Hollow – In the same room as the Night-Stalker Volodya unique enemy
Pure Gemstone
Torus Hollow – North of the Night-Stalker Volodya unique enemy
Pure Gemstone x3, Strung Jade
Yunnae’s Rise – Northeast of Eldritch Obelisk landmark
Pure Gemstone x3, Chain Ring
Eldritch Obelisk – At the Eldritch Obelisk landmark