This is a guide to upgrading weapons by Fuse Weapons in Hyrule Warriors: Age of Calamity (HW:AoC) for the Nintendo Switch. Learn how to unlock the Blacksmith and upgrade weapons through Weapon Fusion, and how to transfer skills to other weapons.
List of Contents
Weapon Fusion can be done at the Hylian Blacksmith Guild. Before the Blacksmith even appears in the map, you'll have to clear the second battle of Chapter 1, Road to the Ancient Lab. Finishing this battle will unlock the Blacksmith and a few more quests and challenges.
The Brawny Blacksmiths will appear northeast of the Hyrule Field. Assist the blacksmiths by giving them 5 Ironshrooms. Supplying the required materials will give you access to the Hylian Blacksmith Guild's services, such as weapon fusion and selling weapons.
|How to Unlock|
|Clear the Battle: Road to the Ancient Lab|
|Hylian Blacksmith Guild Unlocked|
|①||Select a Character|
|②||Select the Weapon to Upgrade|
|③||Select your fusing materials (weapons you will give up to fuse)|
The steps above show the basic process for fusing weapons. Note that once you give up a weapon for fusing, you cannot get it back!
Level up weapons with a high base attack
A bonus is obtained when fusing weapons with the same seal (Skill: +1% | ATK: +5)
A new skill slot is unlocked for every five times a weapon levels up
When using the Blacksmith, it's important to keep the things listed here in mind. Since fusing weapons of the same seal will give you an attack and skill bonus, it's a good idea to continuously fuse them as you gain them.
Weapons have a max level of 20, although this level can be raised to 25, and then again to 30, after improving the Blacksmith service. To do this, you must first complete 2 Quests that improve the Hylian Blacksmith Guild and give you the ability to raise the weapon level cap — A Monumental Undertaking and The Legendary Blacksmith.
A Monumental Undertaking is unlocked after completing the Relentless as a Waterfall Battle. Completing the quest raises the max weapon level to 25.
The Legendary Blacksmith is unlocked after completing the Tactics for Small Foes Quest. Completing the quest further raises the level cap to 30.
If you have the DLC Expansion Pass, you can raise the max weapon level to 50. You need to complete Working with the Blacksmith Guild quest as part of the Royal Ancient Lab questline to increase the level cap, allowing you to strengthen weapons even further.
After completing the required Quests, visit the Hylian Blacksmith and select the Raise Weapon-Level Limit option. Choose the weapon you want to increase the level limit and provide the necessary materials.
When you're done, you can continue fusing weapons to that weapon to reach the new max level and unlock a Hidden Seal!
|①||Select the weapon you will upgrade|
|②||Select a weapon with a skill you want to transfer over|
|③||Finish selecting fusing materials|
Decide on which weapon you'll upgrade
Gather 4 weapons with the same seal
Level up to Level 19 using fusing materials with no seal
Use fusing materials with the same seal to reach level 20
Buy fusing weapons that have the same seal, you'll be able to obtain a skill and attack bonus. Although you can use other weapons with other seals to gain skills, fusing weapons of the same seal allows you gain powerful bonuses to make the most of your weapons. Therefore, it's better to only use weapons of the same seal when fusing and leveling up!
You're going to need a lot of weapons to reach level 20. The easiest thing to do is to change your difficulty to Easy mode, then try to repeatedly clear battles in the quickest time possible.
|Battle Name||Time to Complete|
|ExplosiveーHandle With Care||~100 to 200 Seconds|
|Damage to Foes with Status Effects||13%|
|Damage to Midair Enemies||7% , 13%|
|Dash-Attack Damage||7% , 13% , 18%|
|Flurry Rush Damage||7% , 13%|
|Midair-Attack Damage||7% , 13% , 18%|
|Regular-Attack Damage||2% , 4% , 6%|
|Strong-Attack Damage||2% , 4% , 6%|
|Ancient-Part Drop Rate||5% , 9%|
|Battle EXP||3% , 6% , 9%|
|Battlefield-Specific Material Drop Rate||5% , 9% , 14%|
|Detects Nearby Chests||-|
|Detects Nearby Koroks||-|
|Fusion Material EXP||150% , 250%|
|Improves Quality of Found Weapons||-|
|Increased Blupee Encounters||-|
|Material Drop Rate from Grass||5%|
|Mineral Drop Rate||10%|
|Monster-Part Drop Rate||5% , 9% , 13%|
|Rare-Material Drop Rate||17%|
|Sensor-Registered Material Drop Rate||15%|
|Damage at Full Hearts||2% , 4%|
|Damage from Enemies||-3% , -4%|
|Damage per 100 KOs||2% , 4%|
|Heal a Percentage of Damage Dealt||-|
|Heal by Defeating Enemies||-|
|Healing-Item Drop Rate||12% , 20%|
|Healing-Item Effect||3% , 5%|
|Reduced Damage from Fire||-|
|Reduced Damage from Ice||-|
|Reduced Damage from Lightning||-|
|Special-Attack Damage||5% , 8%|
|Attack Range||4% , 7% , 10%|
|Attack Speed||3% , 4% , 6%|
|Auto-Critical Hit after Combos||-|
|Chance of Landing Shockwave||11%|
|Chance to Automatically Guard||10%|
|Chance to KO Weak Enemies||11%|
|Damage at 30% Hearts or Less||7% , 12%|
|Damage Reflected When Guarding||20%|
|Damage to Locked-On Target||10%|
|Perfect-Dodge Timing Window||5%|
|Perfect-Guard Chance When Guarding||11%|
|Resistance to All Status Effects||-|
|Special-Attack Charge Rate||3% , 6%|
Upgrading weapons is only possible by weapon fusion, and weapons will also be used as materials in the process. Obtain more weapons from battles, such as Challenges, to upgrade the weapon of your choice further.
Another easy method of gaining weapons comes from scanning amiibos, which can allow you to gain materials and weapons.
If your weapon has a free weapon skill slot, you can transfer a weapon skill from a component weapon through fusing. When transferring weapon skills, keep an eye out for matching seals as they can boost the weapon skill bonus and weapon damage even further, as mentioned above!
Be careful when choosing a component weapon with two or more weapon skills as only the first weapon skill will be transferred to the chosen weapon while the rest will be discarded.
Look out for weapons with Fusion Material EXP seals. When fused with a weapon, it can give as much as +250% bonus EXP!
|Gameplay and Controls|
|How to Perform a Weak-Point Smash||How to Perform a Flurry Rush|
|Parrying Guide: Who Can Parry?||Controls and Controller Options|
|Restoring Hearts: How to Heal||How to Change Characters|
|Sheikah Runes Guide||How to Use Rods|
|Blood Moon Rewards and How to Unlock|
|Tips and Tricks|
|Korok Seed Locations||Treasure Chest Locations|
|Rupee Farming Guide||EXP Farming Guide|
|Weapon Fusion Guide||How to Use the Sheikah Sensor|
|What to Do With Rusty Weapons||How to Break Korok Balloons|
|How to Remove Weapon Seals||How to Unlock the Secret Ending|
|How to Unlock Hidden Seals||How to Use the Korok Sensor|
|Weapon Farming Guide||100 Percent Rewards and Guide|
|Combat Tips and Techniques||All Secrets and Unlockables|
|How to Jump and Use the Paraglider||Best Items to Sell|
|How to Catch Blupees||List of Upgrades|
|List of Multiplayer Features||Difference Between Difficulty Modes|
|amiibo Support and Rewards||How to Save|
|Expansion Pass Contents||Is Age of Calamity Canon?|
|Is Age of Calamity Open World?||How Long is Age of Calamity?|
|Version 1.2.0 Patch Notes and How to Update||Is There a New Game Plus?||How to Change Language Settings||Frame Rate Issues and How to Fix|
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