Monster Hunter World: Iceborne - Augmenting Equipment Guide

A guide on augmenting equipment in Monster Hunter World: Iceborne. Included are the mechanics of augmenting and the materials required to enhance weapons and armor.

What is Augmenting?

Augmenting is the act of further enhancing weapons and armor past their maximum refinement level. For weapons, augmenting allows you to infuse them with additional properties. Augmenting armor, on the other hand, raises their upgrade limit, allowing you to reach even higher defense values.

You will be able to augment equipment after completing the post-game quests Beyond the Blasting Scales and Thunderous Rumble in the Highlands. Clearing them allows you to take on threat level 2 and 3 investigations that randomly reward streamstones. These materials are quite rare, so you may need to run investigations several times to get the ones you need.

Investigations Guide

Types of Steamstones

Material	Description	How to Obtain
Streamstone Shard	Secondary material in augmenting rarity 6 weapons and rarity 1 to 5 armor	Clear threat level 1 investigations
Streamstone	Secondary material in augmenting rarity 7 weapons and rarity 6 to 7 armor	Clear threat level 2 investigations
Gleaming Streamstone	Secondary material in augmenting rarity 8 weapons and armor	Clear threat level 3 investigations
Sullied Streamstone	Become warrior’s steamstones after appraisal. Primary material in augmenting rarity 6 and 7 weapons.	Clear threat level 2 investigations
Shining Steamstone	Become hero’s streamstones after appraisal. Primary material in augmenting rarity 8 weapons.	Clear threat level 3 investigation

Augmenting Weapons

Augmenting weapons requires the most farming, as you will need either a warrior’s or hero’s streamstone specific to your weapon. For example, augmenting a rarity 8 great sword requires one hero’s streamstone: great sword.

The number of augments you can infuse your weapon with depends on its rarity. You can have up to three augments on rarity 6 weapons, two on rarity 7, and one on rarity 8.

Weapon augments cannot be removed or replaced once they have been applied. Be sure to choose those that suit your playstyle and skills.

Attack Increase

Gives +5 true attack to the weapon. Stacks with other upgrades.

Weapon Rarity	Materials	Cost
6	Warrior’s Streamstone x1, Streamstone Shard x3, Rathalos Plate x2	40,000 z
7	Warrior Streamstone x2, Streamstone x3, Rathalos Ruby x2	60,000 z
8	Hero’s Streamstone x1, Gleaming Streamstone x3, Teostra Gem x1	90,000 z

Affinity Increase

Gives +10% affinity to the weapon. Stacks with other upgrades.

Weapon Rarity	Materials	Cost
6	Warrior’s Streamstone x1, Streamstone Shard x3, Rathalos Plate x2	40,000 z
7	Warrior Streamstone x2, Streamstone x3, Rathalos Ruby x2	60,000 z
8	Hero’s Streamstone x1, Gleaming Streamstone x3, Teostra Gem x1	90,000 z

Defense Increase

Gives +10 defense when wielding the weapon and a chance to reduce incoming damage. Stacks with other upgrades.

Weapon Rarity	Materials	Cost
6	Warrior’s Streamstone x1, Streamstone Shard x3, Bird Wyvern Gem x2	40,000 z
7	Warrior Streamstone x2, Streamstone x3, Wyvern Gem x2	60,000 z
8	Hero’s Streamstone x1, Gleaming Streamstone x3, Elder Dragon Blood x1	90,000 z

Slot Upgrade

Gives your weapon an additional decoration slot. Stacks with other upgrades for increased slot level.

Weapon Rarity	Materials	Cost
6	Warrior’s Streamstone x1, Streamstone Shard x3, Legiana Plate x2	40,000 z
7	Warrior Streamstone x2, Streamstone x3, Legiana Gem x2	60,000 z
8	Hero’s Streamstone x1, Gleaming Streamstone x3, Vaal Hazak Gem x1	90,000 z

Health Regeneration

Absorb health from monsters by landing attacks. Stacks with other upgrades for increased regeneration.

Weapon Rarity	Materials	Cost
6	Warrior’s Streamstone x1, Streamstone Shard x3, Anjanath Plate x2	40,000 z
7	Warrior Streamstone x2, Streamstone x3, Anjanath Gem x2	60,000 z
8	Hero’s Streamstone x1, Gleaming Streamstone x3, Nergigante Gem x1	90,000 z

Augmenting Armor

Augmenting armor is more straightforward, as it simply raises the number of times that pieces of armor can be upgraded. Defense values after augmenting differ among various types of armor, with rarity 8 armor sets reaching as high as 800 to 1,000 points.

Armor Rarity	Materials	Cost
1 to 4	Streamstone Shard x1, Fucium Ore x3	3,000 z
5	Streamstone Shard x1, Dragonbone Relic x1	5,000 z
6	Streamstone x1, Bird Wyvern Gem x1	10,000 z
7	Streamstone x1, Wyvern Gem x1	20,000 z
8	Gleaming Streamstone x1, Elder Dragon Bone x2	30,000 z

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