← All skillsMax level: 3 · Monster Hunter World: IceborneIron SkinLevelEffectLevel 1Reduces the duration of Defense Down by 50%.Level 2Reduces the duration of Defense Down by 75%.Level 3Prevents Defense Down.Decorations that grant it+11Def Lock Jewel 1+24Def Lock Jewel+ 4Armor that grants it+2Acidic Glavenus Coil α+MR+2Uragaan Vambraces α+MR+2Barnos Jacket α+MR+2Damascus Coil αHR+1Uragaan Vambraces β+MR+1Barnos Jacket β+MR+1Damascus Greaves αHR+1Barnos Jacket αHR