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TotK Obsidian Frox Fang: Drops and Armor Upgrades

Obsidian Frox Fang in Tears of the Kingdom: dropped by Obsidian Frox (100%); 3 armor pieces need 9 in all; sells for 40 rupees.

10/13/2026 1.4.3 QuestFern Team Last updated: 10/13/2026 2 min read

Obsidian Frox Fang is a monster part in The Legend of Zelda: Tears of the Kingdom. The game describes it this way: “A giant fang for excavating and crushing ores. Attach it to a weapon to greatly increase its attack power, or cook it with a critter to make an elixir.” This page lists the monsters that drop it and adds up what the armor upgrades need.

Obsidian Frox Fang Obsidian Frox Fang 黑曜巨霸迦馬的大牙 · 黑曜巨霸迦马的大牙

Type
monster part
Cooking effect
None
Sells for
40 rupees
Fuse attack power
+24

Which monsters drop Obsidian Frox Fang?

Best chance first. The chance is for this material on one roll of that monster’s drop table; a monster can roll more than once.

Monster HP Chance per drop roll
Obsidian Frox 1350 100%

Which armor upgrades need Obsidian Frox Fang?

3 pieces of armor. The table gives the amount each level asks for; all of them together cost 9. For every other material, see armor upgrade materials.

Armor Set ★★★★★★★★★★ Total
Hood of the Depths Depths Set ——3— 3
Tunic of the Depths Depths Set ——3— 3
Gaiters of the Depths Depths Set ——3— 3
To take every piece to four stars9
Link wearing the full Depths set
The Depths Set: its upgrades ask for Obsidian Frox Fang.

What else is Obsidian Frox Fang for?

  • Selling: 40 rupees each.
  • Fuse: it adds 24 attack power to a weapon.

See also

FAQ

Which monsters drop Obsidian Frox Fang?
Obsidian Frox (100%). The percentage is the chance on each drop roll.
Which armor needs Obsidian Frox Fang?
Depths Set: 9 in all to take every piece to four stars.
How much does Obsidian Frox Fang sell for?
40 rupees each.

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