The Underboss is one of two new Exotics tied to Year 8 Season 2 “Into the Dark,” and it only comes from the Manhunt Climax mission. Getting it means clearing the season’s three High-Value Target steps first, then running the final assault against Zodiac. Finishing on Master difficulty is the part that matters most, because that is the only setting that guarantees the weapon.
Quick answer: Kill the three seasonal HVT targets to unlock the Climax mission, then complete it on Master difficulty. Master gives a guaranteed Underboss drop on first clear. Lower difficulties only roll a chance.
Unlock the Climax mission first
The Climax mission does not appear until you finish the three High-Value Target objectives that run through the season’s Scout Challenges. These are the Manhunt steps gated behind the weekly track, and each HVT builds on the one before it. Once all three are down, the final mission opens up and points you toward the Underboss.
You also need a level 40 agent with access to the season’s content. The premium Season Pass is not required for the Underboss itself, since the weapon is tied to the mission rather than the pass.
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Why Master difficulty matters
Completing the Climax mission on Master guarantees the Underboss on your first clear. Every lower difficulty only gives a chance at the drop, with better odds the higher you go. Running it in a four-player group with loot sharing raises the number of chances per run, which is the fastest way to farm it if you are staying below Master.
You will know it worked when the Underboss appears in your loot at the end of the mission. The weapon cannot be pulled from Exotic caches, Countdown, or open-world targeted loot, so the Climax mission is the only source. If you were partied up when it dropped, you can trade it to those specific players.
Underboss stats and the Gangland Hit talent
The Underboss is an Exotic SMG built around marking targets. Its talent, Gangland Hit, applies a mark whenever you shoot an enemy. You can only hold one mark at a time, and it transfers to a new enemy if you shoot a different one. Marked targets take +20% amplified damage from the gun, and each extra mark on the same enemy adds another 5%. Multiple agents running Underboss can stack up to four marks on one target for focused burst.
| Property | Value |
|---|---|
| Optics slot | +15% Critical Hit Chance |
| Base amplified damage to marked target | +20% |
| Per additional mark | +5% |
| Max marks on one target (grouped) | 4 |
| Reconfigurable stat | 3rd attribute |
The +15% crit chance from the Optics slot makes it easy to slot into a crit build while you paint priority enemies. Because the mark transfers, it works solo for quickly downing single targets and in groups for concentrating fire on a boss. You can also reconfigure the third attribute if the roll does not fit your setup.






