
Monster Hunter Wilds features a variety of weapon upgrade trees that often require materials obtained from specific monsters. These upgraded weapons can embody the fighting style of their respective foes. Notably, some weapon paths allow for dealing elemental damage, which may surpass plain physical assaults, especially against certain monster types.
Among the elemental options, poison stands out due to its unique effect on gameplay. To enhance your poison weapon further, you will need a vital component known as the Poison Sac. Below, we outline where to find these valuable items.
Acquiring Poison Sacs in Monster Hunter Wilds


Poison Sacs can be obtained by defeating Rompopolos, a prevalent creature located in the Oilwell Basin. This is the third area players explore when advancing through the storyline. During your initial missions there, you will encounter a Rompopolo, and after overcoming it, you can freely roam the region. The mini-map is a helpful tool for locating additional Rompopolos. Additionally, you may initiate an optional side quest dedicated to hunting this monster.
These sacs have a chance to drop each time you carve a Rompopolo after bringing it down. However, while the drop rate is generally favorable, acquiring a Poison Sac is not guaranteed each time. Therefore, it’s prudent to use poison resistance items and carry antidotes when confronting these foes.
Effective Strategies for Collecting Poison Sacs from Rompopolos


To significantly enhance the likelihood of obtaining a Poison Sac, focus your attacks on the Rompopolo’s tail until a wound appears. This can be accomplished by consistently striking the same area, which will eventually expose a vulnerability. While doing so, it’s crucial to remain aware of your surroundings, as the tail is a dangerous target; it has the ability to unleash poisonous blasts.
- Weakness: Water
- Resistance: Poison
Once you have created a wound, your next objective should be to destroy it. While this action does not guarantee a Poison Sac, it increases your chances when combined with carving the monster’s body post-defeat. In fact, thoroughly carving up the Rompopolo not only may yield the desired Poison Sac but also provides other essential materials for your current upgrades.
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