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Oxygen-free Copper.jpg
Copper5.png

Oxygen-free Copper is a 5-Star Copper-type Material for developing and upgrading weapons and armor at Chokufunsha.

Locations[]

As a 5-Star Material, Oxygen-free Copper will mainly appear above 41F+. May rarely appear on Copper-specific floors in the 30's.

May also be obtained at Gyaku-Funsha shops, as a reward from Lost Bags, and appear in the daily Hernia lineup.

All-material floors will spawn every type of material, but only of the same level as the area (Max's Area will spawn 1-Star materials, Jackson's will spawn 2-Star, etc).
Material-specific floors will only spawn one type of material, but they can spawn as the same level of the area as well as 1-Star above and 2-Stars below.
Fiber materials are an exception, and 1-5 Star Fibers will show up on any floor that can spawn Fiber, regardless of the area.
Certain floors may not always appear, based on tower rotation. See this spreadsheet. Some floors don't spawn any materials at all.

Floors in Bold are connected to the main elevator / return you to the Waiting Room.

All-material Floors
Floor Name Rotation
42F WADACHI ALL
44F MAYARI ALL
45F DOAME ALL
48F HIBIKI ALL
48F TATSUMATSU ALL
Copper-specific Floors
Floor Name Rotation
32F OSUKI ALL
34F NAGAZAKA MON
36F HIRANUMA ALL
38F JIYU-TOGE TUE / SAT
39F MIKETA THU
47F ARATADEN ALL
47F HAMA-NUSHIKA ALL
50F NAKA-WARA ALL
58F+ TENGOKU 66F, 73F, 81F, 88F, etc.
Gyaku-Funsha
Floor Name Rotation
27F YUKIYOSHI WED / FRI / SUN
33F UCHINOBU ALL
39F HARATSUKA ALL
Cost: KC.png 10000

Uses[]

For all non-Event gear, it currently takes 364 Oxygen-free Copper to complete its uses. Event gear uses an additional 10, for an complete total of 374.

NOTE: Tier is a level of power typically based on the number of times equipment has changed forms, not the number of stars it has.

Oxygen-free Copper
Type Faction Name Tier Stars Total
Center DOD Buzzsaw Masher T3 ★★★ 6
Center DOD Buzzsaw Masher + T4 ★★★★ 11
Center DOD Drill Buster T3 ★★★★★ 18
Center DOD Drill Buster + T4 ★★★★★★ 10
Center DOD Static Massager T4 ★★★★★★ 8
Center CW Wand of Conflagration S T4 ★★★★★★ 10
Center CW Tornado Shuriken S T4 ★★★★★★ 15
Center CW Vajra of Light T4 ★★★★★★ 10
Center MILK Ghastly Pitching Machine T3 ★★★★★ 13
Center DOD DIY Assault Head + T4 ★★★★ 16
Center MILK Morbid Target Head A T4 ★★★★★★ 16
Center None Jackal X Head T3 ★★★ 25
Center None Jackal Y Head T3 ★★★ 90
Center None X-Ray Glasses (Blue) T4 ★★★★★★ 15
Center None X-Ray Glasses (Red) T4 ★★★★★★ 15
Center DOD White Steel Body T4 ★★★★★★ 15
Center WE Raven Blaster Body T3 ★★★ 6
Center WE Raven Blaster Body E T4 ★★★★ 20
Center CW Last Paladin's Armor S EW T4 ★★★★★★ 10
Center WE Red Napalm Pants T4 ★★★★★★ 15
Center CW Shogun Leggings S T4 ★★★★★ 20
Event Gear
Type Faction Name Tier Stars Total
Center CW Kat Boots 4 T4 ★★★★ 10
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