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Nos Fideles
Official Song

Home
Side Quests
Black Ops 4
IX
Nos Fideles

Nos Fideles

Black Ops 4

Updated: October 22, 2025

•

1 min read

Nos Fideles

This side quest has players survive Five Rounds without leaving the challenge podium area in the Arena to trigger the song Nos Fideles by Jack Wall

Official Song

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Mad Hatter

Discover how to activate the song 'Mad Hatter' by Avenged Sevenfold in your game.

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Brazen Bull Upgrade

Learn how to upgrade the Brazen Bull shield into the Iron Bull.

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Side Quests
Black Ops 4
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CURRENT SECTION

Introduction

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Nos Fideles
Official Song

Home
Side Quests
Black Ops 4
IX
Nos Fideles

Nos Fideles

Black Ops 4

Updated: October 22, 2025

•

1 min read

Nos Fideles

This side quest has players survive Five Rounds without leaving the challenge podium area in the Arena to trigger the song Nos Fideles by Jack Wall