How to get the Monster Hunter Wilds Aqua Sac and Flame Sac

Monster Hunter Wilds Nu Udra Palico — (Image credit: Capcom)

The Monster Hunter Wilds Aqua Sac and Flame Sac are used for crafting low level weapons that are incredibly helpful in the early phases of the game. The function of them in Monster Hunter Wilds is pretty simple - to imbue elemental weapons that Gemma crafts with water and fire damage respectively, but it's not clear how you get them and what you need to do. Fortunately, we'll show you the location of the Aqua Sac and Flame Sac in MH Wilds below, but as you can probably guess, they're inside something that's alive.

How to get the Aqua Sac in Monster Hunter Wilds

To get the Aqua Sac in Monster Hunter Wilds, you need to hunt either of the following monsters at Low Rank: Balahara or Uth Duna. However, neither monster is guaranteed to drop those things, so you may need to hunt them a few times to ensure the drop. It's also a guaranteed quest reward for the optional quests "Sand Sea Surges" and "Veiled by the Tide", which are quests where you hunt - you guessed it - Balahara and Uth Duna.

How to get the Flame Sac in Monster Hunter Wilds

The Flame Sac in Monster Hunter Wilds is a potential drop from Low Rank monsters if you successfully hunt it: Guardian Rathalos. However, like many drops, it's not guaranteed, with only a 2-Star drop likelihood. It is a guaranteed quest reward for the Optional Quest "His Eternal Reign", which itself is just a side quest where you kill a Guardian Rathalos.

It's worth keeping in mind that you really do have to slay these monsters at Low Rank - if you do so at High Rank difficulty, their chance to drop either the Aqua Sac or Flame Sac is negated, as they drop the rarer Inferno and Torrent Sacs for crafting. If you haven't unlocked any of the above monsters yet, just keep progressing the main campaign: they'll show up eventually.

Want more help exploring the wilderness? Find out pick of the best Monster Hunter Wilds mods and how to install them here, or if you're at the point in the game where you're thinking about Flame and Aqua Sacs, you might need help defeating the legendary Monster Hunter Wilds Black Flame!

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Joel Franey is a writer, journalist, podcaster and Very Tired Man with a BA from Brunel University, a Masters from Sussex University and a decade working in games journalism, often focused on guides coverage but also in reviews, features and news. His love of games is strongest when it comes to groundbreaking narratives like Disco Elysium, UnderTale and Baldur's Gate 3, as well as innovative or refined gameplay experiences like XCOM, Sifu, Arkham Asylum or Slay the Spire. He is a firm believer that the vast majority of games would be improved by adding a grappling hook, and if they already have one, they should probably add another just to be safe. You can find old work of his at Eurogamer, Gfinity, USgamer, SFX Magazine, RPS, Dicebreaker, VG247, and more.