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Borderlands 4 Jelly Review — Legendary Ordnance

Published: 7/26/2026 · Updated: 11/15/2026 · As of 2026-07 · Score 8/10

RarityLegendary
TypeOrdnance
ManufacturerRipper
ElementVaries by roll (e.g., Cryo)
Drop sourceSplashzone (Riptide Grotto / Coastal Bonescape, Fadefields)
Red Text
Short for 'Jellifer'.

Throw it and it bounces, multiplies and chain-explodes. Jelly is a Legendary grenade dropped by Splashzone (the same boss that drops Lead Balloon). On impact it creates two copies of itself, and each copy bounces around and explodes in a different spot, which makes a single throw very strong against groups. It flies on a simple, predictable arc, so it is easy to use even for beginners.

About names in this review The unique ability “Self-Replication” and the red text were checked in game. Some details of the effect text and some augment names come from English-language guides and are marked (unverified).

Red Text trivia

“Short for ‘Jellifer’.” is a name joke: Jelly is supposedly a nickname for “Jellifer”, a made-up name that sounds like a play on Jennifer. The official Borderlands Wiki does not tie it to any particular source, so it looks like pure wordplay.

What kind of grenade is it? (for beginners)

Unique effect (mechanics)

Self-Replication: After it is thrown, the first impact or 6 seconds triggers a 100% elemental splash explosion. On first impact it creates 2 copies. Each copy bounces up to 4 times and causes a 50% elemental splash explosion each time.

Which roll to keep (stat augments)

Jelly rolls one of 9 stat augments (about 11.1% each). Our picks (analysis):

AugmentEffectComment
Nuke+31% Damage / +62% Radius / +25% CooldownDamage and radius. Makes the area coverage even stronger
Expansive+41% RadiusWhen you want to catch more enemies in the blast
Explosive+21% DamageA plain damage increase
Hazardous+17% Status Chance / +165% Status Damage (value specific to Jelly; Hazardous on other grenades is +33%)Good with elemental builds
Overflow+1 ChargeMore grenades to throw

Augment names (some checked in game) Nuke, Hazardous and the radius augment were checked in game from screenshots. The others (such as Bloodthirsty) come from English-language guides, so some are (unverified).

Drops and farming

Drop sourceChanceNotes
Splashzone (Riptide Grotto / Coastal Bonescape)~9%+2% per UVHM rank / 30% via Big Encore

Farming route

  1. Fadefields → Coastal Bonescape → Riptide Grotto → boss “Splashzone”
  2. After clearing the related story mission, use the Encore Machine next to the arena to reset the fight and farm it
  3. Raising your UVHM rank adds +2% drop rate per rank (30% via Big Encore)

Build fit

Vault HunterFitNote
Rafa⭐⭐⭐Adds the copy explosions on top of an explosive build
Vex⭐⭐⭐⭐Holds groups in place with freeze and explosions, then clears them
Amon⭐⭐⭐⭐Spreads status effects with Cryo / elemental builds
C4SH⭐⭐⭐Handy for clearing out groups

Summary

Measured stats (from our own copies)

These ranges come from the copies we own, read from screenshots. Each range is the observed minimum to maximum; nothing is converted, rounded or interpolated.

Level rangeDamageRadiusChargesCopies observed
Lv30-331,148 – 1,947325cm – 526cm4 – 568
Lv42-473,229 – 5,968325cm – 526cm4 – 539
Lv48-505,415 – 7,761325cm – 526cm4 – 59

FAQ

What is Jelly's unique effect?

It explodes on first impact or after 6 seconds (100% elemental splash). On first impact it spawns two copies, and each copy bounces up to 4 times with a 50% splash explosion on every bounce.

Where can you get Jelly?

It drops from Splashzone (Riptide Grotto / Coastal Bonescape, Fadefields). The drop rate is about 9%.