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To unlock Plunderblade in Monster Hunter: World, reach the lower Rotten Vale, bring Raw Meat, and follow the Lynian Researcher’s lead to the Plunderers. After an Odogaron-related event, follow the Grimalkyne, leave the meat as bait, and approach the Plunderers when they emerge. The gadget then lets your Palico steal extra monster items during hunts.

What you need before you start

  • Access to the lower areas of the Rotten Vale through story progression.
  • At least one piece of Raw Meat to use as a lure.

Plunderblade is a Palico gadget, not a weapon for your hunter to equip. The unlock route described by the guides begins with the Lynian Researcher in the Rotten Vale and leads to the Plunderers, a Grimalkyne tribe. PowerPyx’s Palico gadget guide and GameSpot’s guide describe this route.

How to unlock Plunderblade

  1. Go to the lower Rotten Vale. Continue the main story until you can reach the Vale’s lower areas.
  2. Find and speak with the Lynian Researcher. The researcher points you toward the nearby Plunderers.
  3. Watch for the Odogaron-related event. The guides describe an event involving Odogaron before the Grimalkyne appears. Its timing may vary. If nothing happens, leave the area and return rather than waiting indefinitely in the same spot.
  4. Follow the Grimalkyne. Track it to its hiding place, then drop Raw Meat on the ground.
  5. Move away and let the Plunderers emerge. Give them room to approach and eat the bait. Once they appear, approach them to receive Plunderblade.

The sequence is the reported route in the cited guides; they do not establish a fixed wait time for the event.

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How to equip Plunderblade

After you receive it, change your Palico’s active gadget in your room or at a campsite tent using the Palico equipment controls. Select Plunderblade as the gadget you want your Palico to take on hunts.

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What Plunderblade does during a hunt

When your Palico attacks a monster with Plunderblade equipped, it can steal monster-related items. The guides say gadget proficiency affects the amount or range of items it can obtain, so treat it as a source of extra materials—not a guaranteed way to get a particular rare drop or a substitute for a carve.

PowerPyx describes Palico gadget proficiency as increasing when the gadget is taken on quests, with additional active uses becoming available as proficiency rises. Its guide does not establish precise Plunderblade-specific thresholds, so there is no reliable threshold table to give here.

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When it makes sense to use Plunderblade

Equip it when extra monster items are more useful to you than another form of Palico support. If you would rather prioritize healing, defense, or a different support effect, choose another gadget instead. The cited guides do not provide comparative performance data, so the practical choice depends on what you want from a hunt.

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Game and platform scope

This guide concerns Monster Hunter: World, released January 26, 2018 for PC, PlayStation 4, and Xbox One, as listed by GameSpot. The unlock instructions above come from guides published in 2018; they should not be assumed to describe other games in the series.

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