Borderlands 4 is full of incredible loot, and some items can completely change the way your build plays. Good items can give you massive survivability, utility, or even let you do crazy things like turn grenades into miniature turrets. If you want to skip the trial-and-error farming and go straight for the good stuff, this guide covers the best legendary shields, repkits, and grenades you should prioritize in both the campaign and endgame. And if you want to learn which guns you should farm to pair with these items, you can check out our Borderlands 4 Weapon Guide here at Overgear!
Key Takeaways
- Shields like Onion, Firewerks, and Watts 4 Dinner make you nearly unkillable when used properly.
- Repkits such as AF1000 and Pacemaker give constant sustain, perfect for tough endgame fights.
- Grenades like Jelly, Swarm, and Slippy can clear entire rooms or complement melee builds.
- Most of these items come from dedicated farmable bosses, meaning you can target-farm until you get the roll you want.
4.9Borderlands 4 Best Legendary Shields
| Legendary Shield | Location |
|---|---|
| Onion | Sludgemaw (Null and Void Mission) |
| Firewerks Shield | Splashzone (Fadefields) |
| Watts 4 Dinner | Origo (Terminus Range Vault Boss) |
| Timekeeper’s New Shield | Timekeeper (Post-Campaign Boss) |
To obtain most items on this list, you might need to Farm Bosses for quite a while. Or you can forget about the grind and let our pros handle it for you.
If you want to learn what makes each shield on this list great, here is a detailed explanation.
Onion
Location: Sludgemaw (Null and Void Mission)
The Onion is a tank player’s dream shield. It’s divided into four armor segments. Every time one breaks, the Shallot Shell effect triggers — making you completely immune to damage for two seconds. Because of the segmented design, you can trigger this effect multiple times in a single fight, essentially chaining short bursts of invincibility.
Onion is great for melee builds or bosses with one-shot mechanics, as it gives you a reliable way to stay alive. It works well with shield-regeneration or overshield builds, letting you trigger its effect multiple times in a fight. Getting it early can make some of the harder campaign encounters much easier.
Firewerks Shield
Location: Splashzone (Fadefields)
This shield is fun and practical — every time you kill an enemy, it fires off a barrage of homing missiles, damaging everything nearby. It’s accessible very early in the game, which means you can grab it during your first playthrough and keep it until you start finding endgame shields. After killing Splashzone during the story, use Moxxi’s Encore Machine to reset the fight and keep farming until Firewerks drops.
Firewerks gives you both survivability and extra damage, making fights smoother. It’s a great choice for maps with lots of enemies or endless respawns. Since it works with every character and build, it’s one of the most universal shields you can farm.
Watts 4 Dinner
Location: Origo (Terminus Range Vault Boss)
Watts 4 Dinner turns you into an overshield generator. Whenever you have energy shields, enemies have a 12% chance to drop Overshield Boosters when hit. Combined with a rapid-fire gun, you can fill the entire battlefield with boosters and keep your shields up nearly permanently.
Watts 4 Dinner pairs perfectly with Rafa’s APOPHIS Lance builds, letting him focus fully on damage without worrying about defense. It’s also strong in multiplayer since teammates can grab the boosters and keep everyone topped off.
Timekeeper’s New Shield
Location: Timekeeper (Post-Campaign Boss)
If you liked the Rough Rider from Borderlands 2, this shield is its spiritual successor. It completely removes your shields and replaces them with bonus max health, HP regeneration, and damage reduction.
Timekeeper’s New Shield is great for lifesteal builds that stay alive by taking and dealing damage. Since you won’t have shields, it lets you ignore mechanics that normally bypass them. It also scales well into endgame when paired with health regen gear or healing Repkits.
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Borderlands 4 Best Legendary Repkits
Repkits are how you stay alive in Borderlands 4. The best ones keep you going through tough fights, cut down on downtime, and sometimes even give bonus damage or shields. Whether you’re playing solo or with friends, the right repkit can turn a close call into an easy win.
AF1000 Repkit
Location: Rocken Roller (Carcadia Burn)
The AF1000 gives constant healing over a very long duration with an extremely short cooldown. Some rolls even give bonus Action Skill Cooldown Rate while active, which is incredible for builds that rely on frequent skill use.
The AF1000 Repkit doesn’t give a burst heal, so you need to survive the first few seconds of incoming damage on your own. It works best when paired with damage reduction or a strong shield to avoid getting one-shot before the healing kicks in.
Pacemaker Repkit
Location: Horace (Fadefields)
Pacemaker provides passive health regeneration just by being equipped, and the lower your health gets, the faster it heals you. This makes it perfect for sustained fights or bosses with unavoidable chip damage. Farm Horace repeatedly in Horace’s Oversight for a better-rolled Pacemaker that fits your build.
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Borderlands 4 Best Legendary Grenades
Grenades in Borderlands 4 not only deal damage, but can also heal you, control groups of enemies, or trigger key skill effects. The best legendaries are worth picking up early because they fit almost any build and make hard fights easier. Whether you need help clearing mobs, burning down bosses, or adding utility to your setup, these are the grenades you’ll want to keep around. Here’s a table of grenades and their drop locations to make your farming easier:
| Legendary Grenade | Location |
|---|---|
| Jelly Grenade | Splashzone (Fadefields) |
| Transmitter Grenade | World Drop |
| Swarm Grenade | Sidney Pointylegs (Hungering Plain) |
| Slippy Grenade | Fishin’ Spot near Plungeford (Fadefields) |
If you want to know why each grenade is worth farming, we have prepared a detailed breakdown below.
Jelly Grenade
Location: Splashzone (Fadefields)
Instead of just throwing a grenade, you punch it into place, letting you control where the explosion lands. The grenade can replicate after exploding and tag another enemy, stacking explosive splash damage for big chain reactions.
Transmitter Grenade
Location: World Drop
Transmitter Grenade acts like a turret after being thrown, continuously firing projectiles at enemies in range. It’s one of the best mobbing tools in the game and can occasionally melt bosses faster than expected.
Swarm Grenade
Location: Sidney Pointylegs (Hungering Plain)
This grenade splits into smaller projectiles that seek enemies, functioning like a living swarm. This grenade can roll with lifesteal parts, making it strong for sustain-heavy melee or close-range builds.
Slippy Grenade
Location: Fishin’ Spot near Plungeford (Fadefields)
Yes, it’s a fish grenade, and yes, it deals melee damage. This makes it one of the best grenades for melee-focused builds like Amon’s Reaper builds or Rafa’s Arc-Knife setups. Even if you’re not melee-specced, it splits into two and bounces around, making it a surprisingly strong general-purpose grenade.
4.9Borderlands 4 has more legendary gear than you’ll ever need, but picking the right ones makes a huge difference in how smooth your run feels. The shields, repkits, and grenades in this list are as important as your main guns. If you focus on farming these first, you’ll spend less time dying and more time clearing maps, farming bosses, and pushing endgame content!
