What to know
- Jakobs legendary weapons feature high-damage, critical-friendly stats with unique effects for every gun.
- Each weapon can be farmed from specific bosses or world drops, with Moxxi’s Encore Machine enabling repeat fights for efficient farming.
- Abilities range from explosive projectiles to ricochets and critical hit boosts; upgrades target damage, fire rate, and special mods.
- Popular farming locations include The Old Scrape, Terminus Range, and Carcadia Burn, with Rift events offering an extra drop chance
Jakobs legendary weapons in Borderlands 4 remain fan favorites for their devastating power and rewarding gameplay. Whether seeking a game-changing shotgun or a sniper built for high critical hits, knowing each weapon's strengths and where to find them ensures you can quickly make the loadout that suits your play style.
Jakobs legendary weapons summary table
| Weapon / Gear | Type | Key Abilities | Where to Farm | Best Upgrades |
|---|---|---|---|---|
| Phantom Flame | Pistol | Lock-on ADS, mag dump, burst DPS | Pango & Bango, Tendercage Drill Site | Crit damage, reload, mag size |
| Hellwalker | Shotgun | High damage, ricochet crits, wide spread | Saddleback & Immortal Boneface, Old Scrape | Shotgun damage, reload, ricochet boosts |
| Hot Slugger | Shotgun | On-kill stacking +90% damage | Callous Harbinger, Craven’s Nook | Reload speed, crit boosts, stacking mods |
| Seventh Sense | Pistol | Reload/on-kill effect (TBD) | Vault Boss → Moxxi Encore Machine | Reload, accuracy, crit damage |
| Sho Kunai | Ordnance | Movement speed stacking, explosive utility | Bio-Bulkhead, Horace | Grenade radius, cooldown, movement |
| Spinning Blade | Weapon (TBD) | Likely ricochet/projectile AoE | TBD | Crit chance, bounce mods, mag size |
| Cooking Ambushing Brostel Ballista | Heavy Weapon | Single-shot burst, ambush mechanic (TBD) | TBD | Heavy weapon damage, reload, stability |
| King’s Gambit | Pistol | Ricochet chaining, crit synergy | TBD | Ricochet boosts, reload, mag size |
| Looming T.K. Wave | Shotgun | Wave projectile spread, close-range burst | TBD | Pellet damage, spread mods, reload speed |
| Rainbow Vomit | Shotgun | Multi-element shots, ricochet, splash | Leader Willem (Carcadia Burn), world drop | Elemental damage, crit boosts, splash radius |
| Bonnie and Clyde | Assault Rifle | On-kill alt-fire buff + mag refill | TBD | Alt-fire damage, mag size, reload speed |
| Rowan’s Charge | Assault Rifle | +20% crit chance, ammo refund on crit | TBD | Crit damage, recoil control, reload |
| Cryogenic Defibrillator | Repkit | 50% chance to recharge below 20% HP | Core Observer, Blacklime Bunker | Cooldown reduction, healing boost, durability |
Phantom Flame
- Type: Pistol
- Key abilities:
- Locks onto enemies while aiming down sights.
- Fires entire magazine into locked targets.
- Delivers massive burst DPS.
- Scales exceptionally with crit boosts.
- Where to farm: Drops from Pango & Bango in the Tendercage Ripper Drill Site (Lopside, Carcadia Burn).
- Best upgrades: Critical damage multipliers, reload speed, and magazine size for stronger bursts.

Hellwalker
- Type: Shotgun
- Key abilities:
- High base damage with Jakobs shotgun traits.
- Wide pellet spread for close-range bursts.
- Ricochet bullets on critical hits.
- Consistent mid-range stopping power.
- Where to farm: Chance drop from Saddleback & Immortal Boneface in The Old Scrape (Cuspid Climb, Terminus Range).
- Best upgrades: Close-range damage, ricochet crit damage, and reload speed to keep up with heavy use.

Hot Slugger
- Type: Shotgun
- Key abilities:
- “Blazing Barrel” — +30% damage per kill for 10 seconds, stacking up to 90%.
- Slug shotgun design for higher range accuracy.
- Very quick reload (~0.9 seconds).
- Powerful ricochet criticals.
- Where to farm: From Callous Harbinger of Annihilating Death at Craven’s Nook Order bunker (Bones of Sanctuary).
- Best upgrades: Reload speed, crit damage, and on-kill stacking damage parts to sustain buffs.

Seventh Sense
- Type: Pistol
- Key abilities:
- Effects still under discovery.
- Likely perks tied to reload or on-kill triggers.
- Strong crit potential like other Jakobs pistols.
- Utility-based special effect.
- Where to farm: After defeating the Vault Boss, from the Moxxi Encore Vending Machine at the Vault of Inceptus in Fadefields
- Best upgrades: Reload speed, accuracy, and crit multipliers until exact perks are known.

Sho Kunai
- Type: Legendary Ordnance (Grenade)
- Key abilities:
- Stacks +10% movement speed with each consecutive hit (up to 7 stacks).
- Excellent synergy with agile, mobile playstyles.
- Adds explosive damage utility to builds.
- Works as both damage and mobility tool.
- Where to farm: Drops from Bio-Bulkhead in the Synthetic Nave, and Horace in Horace’s Oversight.
- Best upgrades: Grenade radius and damage, cooldown reduction, stack duration, and movement bonuses.

Spinning Blade
- Type: Legendary Weapon (details emerging)
- Key abilities:
- Likely involves rotating or ricocheting projectile behavior.
- Could specialize in sustained AoE damage.
- Expected synergy with crit and bounce mechanics.
- Community reports suggest melee-style synergy.
- Where to farm: Chance drop from Driller Hole at Queen's Cradle.
- Best upgrades: Crit chance, projectile bounce modifiers, and reload/magazine capacity.

Cooking Ambushing Brostel Ballista
- Type: Legendary Heavy Weapon (details emerging)
- Key abilities:
- Community reports hint at high single-shot burst.
- Possible ambush or delayed-fire mechanic.
- Likely excels in mid-to-long range engagements.
- Effects still being tested by players.
- Where to farm: Boss/location still unknown.
- Best upgrades: Heavy weapon damage boosts, reload assistance, stability, and crit synergy.

King’s Gambit
- Type: Legendary Pistol
- Key abilities:
- Fires projectiles that ricochet to nearby enemies.
- Strong crowd-control through chaining damage.
- High synergy with critical hit builds.
- Solid accuracy and pistol handling.
- Where to farm: Drop source not fully confirmed.
- Best upgrades: Ricochet modifiers, crit damage multipliers, reload speed, and larger magazine size.

Looming T.K. Wave
- Type: Legendary Shotgun
- Key abilities:
- Fires wave-like patterns of projectiles.
- Ricochet and bounce behavior are ideal for close-range fights.
- Strong burst potential in tight spaces.
- Retains classic Jakobs shotgun punch.
- Where to farm: Farming location is still unknown.
- Best upgrades: Shotgun pellet damage, spread control, reload speed, and ricochet mods.

Rainbow Vomit
- Type: Legendary Shotgun
- Key abilities:
- Fires three elemental types simultaneously per shot.
- Retains Jakobs ricochet trait on crit.
- Wide projectile spread and splash for mob clearing.
- Elemental versatility for enemies with mixed resistances.
- Where to farm: Drops from Leader Willem in Carcadia Burn after completing a chain of side missions (Enter the Electi I & II, The Council Divided, A Traitor Within, The Mole’s Gambit). Once unlocked, Willem can be farmed repeatedly through the Encore Machine. Also, a potential world drop.
- Best upgrades: Elemental damage boosts, crit multipliers, splash radius, and reload speed.

Bonnie and Clyde
- Type: Assault Rifle
- Key abilities:
- On kill: +100% alt-fire damage.
- On kill: refills magazine.
- Combines Jakobs power with alt-fire mechanics.
- Encourages chaining kills for sustained fire.
- Where to farm: Listed among Jakobs AR legendaries; exact boss still unconfirmed.
- Best upgrades: Alt-fire damage, magazine size, reload speed, crit boosts.

Rowan’s Charge
- Type: Assault Rifle
- Key abilities:
- Grants +20% crit chance on shots.
- Refunds 2 ammo on critical hits.
- Excellent for sustained DPS with crit builds.
- Strong synergy with accuracy/handling buffs.
- Where to farm: Legendary Jakobs AR; source not confirmed.
- Best upgrades: Critical damage, recoil reduction, magazine size, reload support.

Cryogenic Defibrillator
- Type: Legendary Repkit
- Key abilities:
- When below 20% HP, 50% chance to replenish the Repkit charge.
- Provides life-saving sustenance during tough fights.
- Supports high-risk, low-health playstyles.
- Reliable second wind against tough bosses.
- Where to farm: Drops from Core Observer in the Blacklime Bunker (The Howl, Fadefields).
- Best upgrades: Repkit cooldown reduction, healing effectiveness, and durability mods.

Wrap-up: farming Jakobs legendaries
Even if not all details are fully confirmed, King’s Gambit, Looming T.K. Wave, Sho Kunai, Spinning Blade, and the Brostel Ballista all showcase the wild variety of legendary gear in Borderlands 4. From pistols that chain ricochets to ordnance that turns you into a speed demon, these items can redefine your build. Keep farming bosses where possible, and watch this space as we add new info regularly.
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