Thread:Su712/@comment-37875052-20181230171444/@comment-25669516-20190102163845

You can check them by names. In 9 cases out of 10 the names will go like this:

Weapon_01 - common Weapon_02 - rare Weapon_03 - epic Weapon_04 - legendary

The only thing you need tp be careful with is weapons which have missing rarity, like there is no legendary glaive in the game yet.