Welcome to NGB and our walkthrough for the Master of All: Ch. 2 General Mahrez quest in Octopath Traveler 0. Our walkthrough will show you how to start the quest, complete the objectives, and receive the rewards.
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Master of All: Ch. 2 General Mahrez Guide
How to Start the Master of All: Ch. 2 General Mahrez Quest
The Master of All: Ch. 2 General Mahrez quest in Octopath Traveler 0 will begin automatically after completing the Master of All: Ch. 1 King Pardis III quest.
Master of All: Ch. 2 General Mahrez Walkthrough
Power-hungry King Pardis III invades neighboring nations with no regard for the wishes of his subjects, his soldiers, or even his own daughter. So it is that General Mahrez is sent to war against the Westerlings.
Inquire about Edoras’s affairs
First, make your way to Castle Edoras Gate in Cragspear and speak with the man next to the entrance to officially begin this quest.

Speak with General Mahrez

After the lengthy cutscene, speak with General Mahrez.
Go to the Edoras Army’s main encampment

Next, you’ll need to travel to the Geist Canyon. To reach this area, travel from Cragspear to the following areas:
Once you arrive, head to the northwestern corner just past the save point and speak with the guard.

Speak with Captain Barnes
After regaining control, speak with Captain Barnes near the tent to begin a boss fight!
Boss Fight: M’suhi the Viper
For this fight, you will face M’suhi the Viper and two Thieves.
If you have someone in your party with the Steal ability, you can steal Serpent’s Fang Mastery from M’suhi the Viper.
Boss Weaknesses
| Enemy | Shields | Vulnerabilities |
|---|---|---|
| M’suhi the Viper | 14 | Bow, Staff, Fan, Fire, Light / Sword, Axe, Tome, Ice, Lightning* |
| Thieves | 5 | Polearm, Axe, Bow, Fan, Lightning, Light |
*When the boss’s health reaches the red, he will change his vulnerabilities.
Boss Skills
| Skil | Effect |
|---|---|
| Poison Sword | Single-target attack that can inflict poison |
| Attack | Single-target attack |
| Repraisal Stance | Can repel Polearm, Dagger, Wind, and Dark attacks |
| Flash Sweep | AoE attack that hits front row |
| Serpent’s Blade | Hits the front row and inflicts poison and paralysis |
| Wild Poison Sword | Multi-target attack hitting random party members that has a chance to inflict poison |
Meet with King Pardis III

After defeating M’suhi the Viper, head to the center of Geist Canyon to witness a series of unfortunate events.
Search the cell
In the cell, inspect the bars near the conversation bubble.

Next, inspect the floor in the back near the left pot. With the rock in hand, return to the bars and use it to try to smash them. Afterwards, lie in your bed to complete the quest.
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