The O-Negative
The O-Negative is a Seraph grenade in Borderlands 2 . It is known for its high damage output and unique ability to heal the player while dealing damage to enemies. This grenade is manufactured by Maliwan and has a read text that reads “Universal donor!”.

What Is The O-Negative?
The O Negative Grenade’s unique ability is what sets it apart from other grenade mods. It has a chance to heal the player for a portion of the damage dealt to enemies with the grenade.
In addition, this grenade mod deals significant damage to enemies within its blast radius. It has a high base damage, which is further boosted by its unique ability.
Also, available in different elements, this grenade is a great asset for players who seek elemental damage. Also the health regeneration is very helpful in complicated situations or as a support player.
Overall, the O Negative Grenade is a powerful and versatile weapon that can deal significant damage while also healing the player. Its rarity and unique ability make it a highly coveted item among Borderlands 2 players.
The Different Elements Possible for the O-Negative
The O-Negative grenade is available in the following elements:
- Fire
- Explosif
- Corrosif
- Shock
- Slag
How to Get the O-Negative?
You can acquire this grenade by making a trade of 120 crystals with the Seraph Vendor in the Badass Crater of Badassitude. Apart from that, you can also get this grenade as a drop from Pete the Invincible in Ultimate Vault Hunter Mode.
- The O-Negative has a 33% chance drop rate from Pyro Pete the Invincible.

What Is the O-Negative’s Gibbed Code?
You can use the Gibbed Code in Borderlands 2 to add an item to your inventory. Here is the O-Negative gibbed code: BL2(BwAAAACF4wMHDQ/AEBFaLRuDD8MAQwvDCaAOQwxDHYMVAyADDuA=)