I agree. Even though there is axes like that, they usually are restricted to its optimal rank, like Labryses, that would be the best option for tanking but are only low/mid rank.

Would be very nice you having a variety o weapons with different performance for the same rank.

Gonna add this to the main idea, also adding the suggestions of goma too (since mug is more a thief skill, i'll just change a bit the suggestion of pillage).