Best catalyst and leveling weapon level farm?

[young kettle]

Where is the fastest place to get them done currently?

[real rivet]

Shuro chi if you have forsaken

Otherwise, golgy

[normal egret]

^

[quick ingot]

GoA is okay if you want to level up a primary

[stuck sphinx]

Also a shadow keep mission I can't remember the name of atm is also very good, but it's not up currently

[quick ingot]

A Mysterious Disturbance im p sure