The main attribute is strength.
Overequipped, now just need to prepare a set of 290 or so tribute clothes.
Because there is no need to get a top-level equipment now.
Because, after opening a new level, any equipment now is useless, and it may even be worse than the blue equipment given by intermediate tasks. (The top equipment in the 1970s, at the level of 80, is not as good as the equipment with five small parts, so there is no need to prepare a top equipment now. )
Except for the 80-level orange martial arts. In the early 1990s, Dacheng Wu still had some advantages.
As for promotion ... do you think there is a big gap between well-equipped and poorly equipped? It's a mission anyway.