Optimum Oil
Weapon oil. It takes one enchantment slot on a gun of rank 1 or higher, and a gun can hold only one copy.
- Penalty lines
- 1
- Durability per shot
- No extra cost
- Sell value
- 125 SULF
- Raises
- Durability, Muzzle velocity
Card text
- Muzzle Velocity: +1300%
- Damage: -20
- Does not increase durability loss
On a gun
Optimum Oil does not add to the durability each shot costs. Its flat damage is added to the base before percentage damage oils multiply it, and since 1.0 it is divided by 8 on 12Ga guns.
The Baptismal Font removes it and the Chrismatory rerolls it into another oil; see oils explained.
Oils with no penalty that also raise durability
Other oils that raise durability
Anabolic OilMuzzle Velocity: +1700%; Max Durability: -20%; Does not increase durability loss
Big Tax OilBullet size: +100%; No Money drops; Does not increase durability loss
Birth OilBullet size: +300%; Max Durability: -30%; Does not increase durability loss
Chonk OilBullet size: +100%; Spread: +0.3; Does not increase durability loss
Chub OilBullet size: +100%; Damage: -20%; Does not increase durability loss
Clash OilKnockback: +3; Jump Power: -15%; Does not increase durability loss
Clump OilBullet size: +200%; Chance to consume extra ammo: +30%; Does not increase durability loss
Congestion OilBullet size: +100%; Loot Chance: -50%; Does not increase durability loss
Dense OilMax Durability +30%; Jump Power -20%; Does not increase durability loss
Detune OilMax Durability: +50%; Damage: -25%; Does not increase durability loss
Excessive Force OilKnockback: +6; Ammo Consume Chance: +20%; Does not increase durability loss
Feature Gun OilMax Durability: +30%; Disable aiming; Does not increase durability loss
Guides that mention Optimum Oil
Source
- SULFUR Wiki entry for Optimum Oil (CC BY-SA 4.0), revised 2026-11-01. Values checked against the 1.0.0–1.0.6 patch notes.