How to increase Weapon Level in Fire Emblem Warriors: Three Hopes

sportskeeda.com:

Players in Fire Emblem Warriors: Three Hopes can get access to some seriously strong weapons (even a couple legendary ones). Units won’t be able to use them without the right weapon level though.

Every Fire Emblem game has tier weapons, and Fire Emblem Warriors: Three Hopes is no different. If players concentrate heavily on their weapon levels, they can quickly acquire silver weaponry and even stronger tools.

The tier of every weapon in Fire Emblem Warriors: Three Hopes is determined by the material they’re made with. Trainer weapons are the lowest tier (E). Here's how the weapon tiers are listed:

To use these weapons, each unit needs to have the corresponding weapon rank. For example, Dimitri can’t use a Brave Lance unless he reaches an A lance rank.

The weapon ranks are also totally tied to the classes in this game. Earning a class will give that unit a certain rank. The base classes all give D rank in their weapons e.g., being a Myrmidon gives D rank swords.

So this is how to unlock higher weapon ranks:

The way classes work in this game is that there are certain prerequisites to achieve before hitting that final class. Each character starts off with a base class, and they can progress to intermediate, advanced and master classes eventually.

For instance, a player has Hilda and wants her to become a Wyvern Lord. Hilda already starts off as a Fighter, which is perfect since it already uses axes. Hilda would want to progress to the Intermediate class of Brigand to improve her axe rank.

After that, she can become a Wyvern Rider, which is an Advanced Class that gives her the capability to fly. From there, she will be set up to obtain the Master Class of Wyvern Lord.

Given this pathway, Hilda would get access to Killer Axes as a