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# How to Enable Scavengers and Secret Bosses in RoR2

> Enable hidden boss encounters like Scavengers on your Risk of Rain 2 server by configuring spawn rules, artifact modifiers, and endgame boss triggers.

## Introduction

Some bosses are hidden.

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  <Card title="Difficulty" icon="gauge-low">
    Beginner
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  <Card title="Time" icon="clock">
    5 Minutes
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## Artifacts

Enable **Artifact of Dissonance** to spawn monsters outside their biome.
Enable **Artifact of Vengeance** (Doppelganger).

## Command

`ev_scavenger 1` ? No, game spawns them post-loop (Stage 6+).

## Conclusion

Loop the game (Interact with Primordial Teleporter fins) to see them.

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  **Last Updated:** January 2026
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