![BannedLagiacrus on Twitter: "When Vaal Hazak sucks up effluvium from nearby creatures that are covered in the bacteria, they become sluggish and weaker as they lose vital energy before eventually dying. Monsters BannedLagiacrus on Twitter: "When Vaal Hazak sucks up effluvium from nearby creatures that are covered in the bacteria, they become sluggish and weaker as they lose vital energy before eventually dying. Monsters](https://pbs.twimg.com/media/EOM4-6lWAAAmr1f.png)
BannedLagiacrus on Twitter: "When Vaal Hazak sucks up effluvium from nearby creatures that are covered in the bacteria, they become sluggish and weaker as they lose vital energy before eventually dying. Monsters
![X 上的Monster Hunter:「Heads up, #Iceborne hunters: we've confirmed the presence of a Blackveil Vaal Hazak with very strange Effluvia properties… Special Raccoon City Collaboration Event Quest starts in 24 hours. https://t.co/54WI3oJ99V」 / X 上的Monster Hunter:「Heads up, #Iceborne hunters: we've confirmed the presence of a Blackveil Vaal Hazak with very strange Effluvia properties… Special Raccoon City Collaboration Event Quest starts in 24 hours. https://t.co/54WI3oJ99V」 /](https://pbs.twimg.com/media/EIusxCCW4AYXREt.jpg:large)
X 上的Monster Hunter:「Heads up, #Iceborne hunters: we've confirmed the presence of a Blackveil Vaal Hazak with very strange Effluvia properties… Special Raccoon City Collaboration Event Quest starts in 24 hours. https://t.co/54WI3oJ99V」 /
![Monster Hunter World: Iceborne monsters guide - which beasts you can expect in Hoarfrost Reach | GamesRadar+ Monster Hunter World: Iceborne monsters guide - which beasts you can expect in Hoarfrost Reach | GamesRadar+](https://cdn.mos.cms.futurecdn.net/ZGSWwdd4y8aifujZ8CRinE.jpg)