Up to now, all staves are two-handed.
3. The mage can follow FB for any talent, as long as you think the output is OK.
4. General plug-ins have this function.
So far, there are eight mage suits, right?
Level 60 Scholar Suit (T0) Wizard Suit (T0.5) Arcane Master Suit (T 1) Lingfeng Suit (T2) Frost Fire Suit (T3)
Level 70 includes odor suit (T4), Tisrifa suit (T5), storm suit (T6) and blue D3 suit.
The Black Dragon Arcane Method you mentioned is actually not a T-class suit, but all relevant professional skills are made.