The Hunter’s Chain Sickle grapples you up to its own upgrade material in Phantom Blade Zero: a pair of Exotic Copper Ingots waits in a chest halfway up a mountain wall that only the Sickle reaches. Exotic Copper Ingot upgrades Martial Phantom Edges, and the valley’s free ingots get your first Sickle levels started before the Peddler sees any Dust. The Phantom Blade Zero Weeping Creek Valley online map pins each crate and chest.

Behind crates, on stairs, and in a river cave, each ingot below was picked up on PS5 for Map Master, and the Phantom Blade Zero guides and interactive maps hub covers the other edge materials. Otherworldly Copper takes over past level 10, so this page covers the climb from level 1 to 10.
Exotic Copper Ingot upgrades Martial Phantom Edges and nothing else. The reported Martial edges are the Hunter’s Chain Sickle in Weeping Creek Valley, Iron Gauntlets in Crimson Forest, Fire Meteor and Thunder Spear in Pangzhen, and Ink Cut in the Mountain of Imprisonment, and the Hunter’s Chain Sickle and the other Martial edges compare their stats.
Edge upgrades are reported to skip Solvent, so only the ingot and Remnant Dust go in, and an upgraded edge’s Spark Charges refill at every Bell. Past level 10, Otherworldly Copper for Martial levels above 10 is reported to take over, so the two tiers never compete for the same level.
Several valley ingots are open before you have the Sickle: a pair behind breakable crates in the barn north of the Outpost, a pair in front of the stairs to the main Ruthless Archer Camp building, a pair behind crates on the second-floor balcony of the Valley Sha-Chi Tower Base, and a single ingot on the lower river in the cave toward Crimson Forest.
The grapple chest waits until after The Hunt’s second fight, which is where the Sickle comes from, so the edge opens the path to its own upgrade. One more pair is in the back room of the Peddler’s Shop, which opens only once you start Old Man Gen’s Leave None Alive Tale in the Village of Lu.
Every Crimson Forest stack is six ingots: at the edge of the mountain path beside a corpse, at the back of a camp, and in the river. Iron Gauntlets are reported to drop from Stone Hand Iron Fever, a mandatory Crimson Forest boss, so the forest supplies a second Martial edge and the copper for it, and the Crimson Forest online map for Phantom Blade Zero places each stack.
Quick Hand Zhang sells six more at 1,040 each, and the valley Peddler three at the same price, 9,360 Dust for both shelves. With six-ingot stacks lying around the forest, neither purchase is needed early, and the Peddler and Zhang shop inventories show what your Dust buys instead.
The Village of Lu’s Exotic Copper comes in stacks of seven and eight, a big step up from the forest, and the Village of Lu online map for Phantom Blade Zero places each one. With Iron Gauntlets from the forest in hand, this is where a second Martial edge can catch up to the Sickle.
Pangzhen adds stacks of three and six, and the city is reported to give you two more Martial edges: Fire Meteor, Blaze’s reported reward, and Thunder Spear. The Pangzhen & Mirage Estate online map places the stacks, so plan which edge gets them before you spend.
Spend the valley’s copper on the Hunter’s Chain Sickle only if you fight with it, since its grapple gets you across gaps at any level. The Dread Axe from Peng Meng competes for the other edge slot, and its shield-breaking is what the Jing Ye fight asks for, so a Sickle and Axe pair is the natural valley loadout.
Levels under 10 are reported to refund for free, so ingots in a valley Sickle can move to Iron Gauntlets in Crimson Forest at no lasting cost. The Sickle stays useful outside combat too, since one Four Fierce Axes case file is reported to need it to finish.
| Name | Map Location | Details | Found |
|---|---|---|---|
| Exotic Copper Ingot x6Crimson ForestExotic Copper Ingot x6 | Crimson Forest | Found at the edge of the mountain path, next to a corpse. | |
| Exotic Copper Ingot x6Crimson ForestExotic Copper Ingot x6 | Crimson Forest | Found in the back of the camp. | |
| Exotic Copper Ingot x2Weeping Creek ValleyExotic Copper Ingot x2 | Weeping Creek Valley | Found behind some breakable crates on the balcony in the back of the second floor of the Valley Sha-Chi Tower Base. | |
| Exotic Copper Ingot x1Weeping Creek ValleyExotic Copper Ingot x1 | Weeping Creek Valley | Found on the lower river inside the cave leading to the Crimson Forest. | |
| Exotic Copper Ingot x8Village of LuExotic Copper Ingot x8 | Village of Lu | Found inside the wooden chest in the Puppet Testing Grounds. | |
| Exotic Copper Ingot x7Village of LuExotic Copper Ingot x7 | Village of Lu | Found inside the wooden chest on the terrace. | |
| Exotic Copper Ingot x2Weeping Creek ValleyExotic Copper Ingot x2 | Weeping Creek Valley | Found in the chest in the back room of the Peddler's Shop. The area can be reached only after talking to Old Man Gen in the Village of Lu and starting the Leave None Alive Tale. | |
| Exotic Copper Ingot x3Pangzhen & Mirage EstateExotic Copper Ingot x3 | Pangzhen & Mirage Estate | Found inside the wooden chest on the ground floor of the building. | |
| Exotic Copper Ingot x6Pangzhen & Mirage EstateExotic Copper Ingot x6 | Pangzhen & Mirage Estate | Found on the right side of the narrow street. | |
| Exotic Copper Ingot x5Pangzhen & Mirage EstateExotic Copper Ingot x5 | Pangzhen & Mirage Estate | ||
| Exotic Copper Ingot x2Pangzhen & Mirage EstateExotic Copper Ingot x2 | Pangzhen & Mirage Estate | ||
| Exotic Copper Ingot x8Village of LuExotic Copper Ingot x8 | Village of Lu | Found on the lower porch of the house after descending the ladder. | |
| Exotic Copper Ingot x2Weeping Creek ValleyExotic Copper Ingot x2 | Weeping Creek Valley | Two Exotic Copper Ingots are found behind the breakable crates in the barn on the northern side of the Weeping Creek Valley Outpost. | |
| Exotic Copper Ingot x2Weeping Creek ValleyExotic Copper Ingot x2 | Weeping Creek Valley | Found in front of the stairs leading to the main Ruthless Archer Camp building. | |
| Exotic Copper Ingot x3Weeping Creek ValleyExotic Copper Ingot x3 | Weeping Creek Valley | Three Exotic Copper Ingots can be purchased from the Weeping Creek Valley Peddler for 1040 Remnant Dust per unit. | |
| Exotic Copper Ingot x2Weeping Creek ValleyExotic Copper Ingot x2 | Weeping Creek Valley | Found inside the wooden chest on the platform halfway up the mountain wall. It can be reached only after obtaining the Hunter's Chain Sickle to grapple. | |
| Exotic Copper Ingot x6Crimson ForestExotic Copper Ingot x6 | Crimson Forest | Found in the river. |
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