Oxygen-free Copper

Oxygen-free Copper is a 5-Star Copper-type R&D Material for developing and upgrading weapons and armor at Choku-Funsha.

Locations

As a 5-Star Material, Oxygen-free Copper mainly appears above 41F+, in Battle To The Top and Tengoku. Rarely appears on Copper-specific floors in Gunkanyama's Area (31-40F).

Can be bought for 10000 KC from Gyaku-Funsha, or from the daily Hernia lineup (if available) for 5000 / 1 (for x1) or 20000 / 4 (for x5). Drops from Gold Lost Bags.

Copper-specific Floors

Floor	Name	Rotation
Floors in BOLD connect to the main elevator.
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	Copper-specific Floors: 58F, 66F, 73F, 81F, 88F, 96F, 103F, 111F, 118F, 126F, 133F, 141F, 148F, 156F, 163F, 171F, 178F, 186F, 193F, 201F, 208F, 216F, 223F, 231F, 238F, 246F, 253F, 261F, 268F, 276F, 283F, 291F, 298F, 306F, 313F, 321F, 328F, 336F, 343F, 351F
57F+	NEO D.O.D	Copper-specific Floors: 57F, 64F, 72F, 79F, 87F, 94F
56F+	NEO W.E	Copper-specific Floors: 56F, 63F, 71F, 78F, 86F, 93F

All-material Floors

Floor	Name	Rotation
Floors in BOLD connect to the main elevator.
42F	WADACHI	ALL
44F	MAYARI	ALL
45F	DOAME	ALL
48F	HIBIKI	ALL
48F	TATSUMATSU	ALL

Gyaku-Funsha

Floor	Name	Rotation
27F	YUKIYOSHI	WED / FRI / SUN
33F	UCHINOBU	ALL
39F	HARATSUKA	ALL
SHOP: 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 a 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	F	Name	Tier	Stars	#
	DOD	Buzzsaw Masher	T3	★★★	6
	DOD	Buzzsaw Masher +	T4	★★★★	11
	DOD	Drill Buster	T3	★★★★★	18
	DOD	Drill Buster +	T4	★★★★★★	10
	DOD	Static Massager	T4	★★★★★★	8
	CW	Wand of Conflagration S	T4	★★★★★★	10
	CW	Tornado Shuriken S	T4	★★★★★★	15
	CW	Vajra of Light	T4	★★★★★★	10
	MILK	Ghastly Pitching Machine	T3	★★★★★	13
	DOD	DIY Assault Head +	T4	★★★★	16
	MILK	Morbid Target Head A	T4	★★★★★★	16
	DOD	Jackal X Head	T3	★★★	25
	WE	Jackal Y Head	T3	★★★	90
	CW	X-Ray Glasses (Blue)	T4	★★★★★★	15
	CW	X-Ray Glasses (Red)	T4	★★★★★★	15
	DOD	White Steel Body	T4	★★★★★★	15
	WE	Raven Blaster Body	T3	★★★	6
	WE	Raven Blaster Body E	T4	★★★★	20
	CW	Last Paladin's Armor S EW	T4	★★★★★★	10
	WE	Red Napalm Pants	T4	★★★★★★	15
	CW	Shogun Leggings S	T4	★★★★★	20

Event Gear

Type	F	Name	Tier	Stars	#
	CW	Kat Boots 4	T4	★★★★	10