The Proof of a Hero achievement in Genshin Impact is among the exciting new trophies introduced with the recent 5.5 update. Players can easily earn this by sounding the Horn of Heroes in the Collective of Plenty tribal region, making it a straightforward task to complete in just a few minutes.
This guide will provide you with step-by-step instructions to successfully unlock the Proof of a Hero achievement in Genshin Impact.
Unlocking the Proof of a Hero Achievement in Genshin Impact
The 5.5 update brought a wealth of new content to Genshin Impact, featuring a variety of achievements linked to the sixth Tribe of Natlan, known as the Collective of Plenty. Players can earn these achievements by completing specific tasks in the open world, such as participating in the Master Trainer challenge after assisting Urumbaba, or by finishing a series of new quests.

To earn the Proof of a Hero achievement, you must blow the Horn of Heroes in the specified order within the Collective of Plenty. Begin by teleporting to the Obsidian Monolith or the Reputation Area of the tribe, and proceed northward to the designated location. After passing the Tatankasaur fighting arena, you will encounter four horns located in the area.

Correct Horn Blowing Sequence
Follow this sequence to successfully blow the Horn of Heroes:
- Bottom left
- Upper right
- Bottom right
- Upper left
Completing this sequence will automatically unlock the achievement, and you’ll receive 5 Primogems as a reward. This makes it one of the simplest trophies to earn within the game, so make sure to obtain it when you reach the Collective of Plenty.
We hope this guide has been helpful in your journey to unlock the Proof of a Hero achievement in Genshin Impact.