To unlock Subo in Diablo IV: Vessel of Hatred, progress through the expansion campaign until you can access the Mercenary Den in Nahantu. Interact with the Muddy Letter there, then complete the priority quest A Feather on the Scale. Once recruited, Subo can be assigned as your hired mercenary or as a reinforcement.
Unlock the Mercenary Den first
Mercenary recruitment becomes available during the Vessel of Hatred campaign. A campaign guide identifies The Hand Remembers the Blade as the quest that unlocks the Mercenary Den and hiring access. Blizzard describes the Den as the mercenaries’ hideout, where players complete key quests to recruit the other mercenaries. Blizzard’s mercenary overview explains the Den-based recruitment system.
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Diablo IV - PlayStation 5 | $31.00 | Buy on Amazon |
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Complete Subo’s recruitment quest
- Continue the Vessel of Hatred campaign until the Mercenary Den is available in Nahantu.
- Enter the Mercenary Den and interact with the Muddy Letter. The walkthrough identifies it as the item that starts Subo’s quest.
- Complete the priority quest A Feather on the Scale. Finishing it recruits Subo.
The quest name and letter are reported in a Subo walkthrough; Blizzard confirms the broader Den-based quest recruitment process.
Assign Subo as a hire or reinforcement
After recruiting him, use the Mercenary Den interface to choose Subo as your hired companion or set him as a reinforcement. A hired mercenary is the main companion who joins a solo player’s party. A reinforcement is a different unlocked mercenary who can appear during combat to use a skill when the configured opportunity occurs. You cannot assign the same mercenary to both roles at once. Blizzard also says that Rapport earned by using mercenaries in battle upgrades their skills and supports bartering at the Den.
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What Subo does in combat
Subo is an archer who attacks from outside melee range and rains arrows on enemies. Blizzard says, “Subo will mark targets for your disposal—kill them to earn benefits such as reduced Ability cooldowns.” This is a qualitative description, not a numerical performance ranking or a guarantee of a particular cooldown reduction.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What you need to access mercenaries
Mercenaries are part of Vessel of Hatred. Blizzard’s current expansion information says Lord of Hatred includes Vessel of Hatred, and that the expansions require the Diablo IV base game. Check the current platform and edition details before purchasing, since availability can depend on the version you play. Blizzard’s expansion information has the current product details.
Quick Recap
Best Value
Rank #4
- Diablo IV is the next-gen action RPG experience with endless evil to slaughter, countless abilities to master, nightmarish Dungeons, and legendary loot
- Embark on the campaign solo or with friends, meeting memorable characters through beautifully dark settings and a gripping story
- Explore an expansive end game and shared world where players can meet in towns to trade, team up to battle World Bosses, or descend into PVP zones to test their skills against other players
- No lobbies necessary - with cross-play and cross-progression on all available platforms
Rank #3
- Pre-order and receive:
- Light Bearer Mount in Diablo IV
- Only one code per customer
- Diablo IV is the next-gen action RPG experience with endless evil to slaughter, countless abilities to master, nightmarish Dungeons, and legendary loot.
- Embark on the campaign solo or with friends, meeting memorable characters through beautifully dark settings and a gripping story, or explore an expansive end game and shared world where players can meet in towns to trade, team up to battle World Bosses, or descend into PVP zones to test their skills against other players - no lobbies necessary - with cross-play and cross-progression on all available platforms.
Rank #2
- LORD OF HATRED EXPANSION — Includes Diablo IV: Vessel of Hatred Standard Edition and Diablo IV: Lord of Hatred. The Diablo IV base game is required to play.
- IN-GAME EXTRAS — Get 1 Extra Stash Tab, 2 Additional Character Slots, and 3 Decor Items in World of Warcraft.
- NEW CLASSES AND REGION — Master two new classes and explore the ancient region of Skovos in the Lord of Hatred expansion.
- ACTION RPG ADVENTURE — Slay demons, master abilities, explore nightmarish dungeons, and find legendary loot in a dark open world.
- NEW CAMPAIGN AGAINST MEPHISTO — Make your stand against the Prime Evil Mephisto in a rich new story featuring new enemies, regions, and narrative twists.
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