cant uppgrade my weapon

[kirizito]

im trying to break through my hongmoon sword i have the stalker blade and the virdian poison but it says i cant use the sword i have 3 two unsealed and one sealed

here is a screenshot 

 

https://gyazo.com/4ab2b95e7721e2927634e67bfb961bcc 

[Sweeney47]

The crosses on the weapon icons would suggest it's not your class item... Are you confusing Blade Master with Blade Dancer?

[kirizito]

it says i need it to evolve my sword i need that breakthrough material

 

[YamiKokennin]

I broke through my weapon using the Stalker weapon (for my class) from the locked weapon box from the Wheel of Fate. May want to check the weapon name?