← All skillsMax level: 1 · Monster Hunter World: IcebornePoison Duration UpLevelEffectLevel 1Extends the duration of your poison's effect on monsters.Set bonuses that unlock it2×Rathian EssencepiecesRathian α+Rathian β+Rath Heart α+Rath Heart β+3×Pink Rathian MasterypiecesRath Heart αRath Heart β