← All skillsMax level: 2 · Monster Hunter World: IceborneHeavy ArtilleryLevelEffectLevel 1Firepower +50%Level 2Firepower +100%Decorations that grant it+11Heavy Artillery Jewel 1+24Heavy Artillery Jewel+ 4Armor that grants it+2High Metal Greaves α+MR+2Brigade Vambraces αHR+2Brigade Vambraces βHR+1High Metal Greaves β+MR+1High Metal Greaves αHR+1High Metal Greaves βHR+1Brigade VambracesLR+1High Metal GreavesLR