Give me the option to run solo.
It is incredibly annoying to have someone appear in the level at the very end of a busy combat, and THEY pick up all of the items that you haven't yet had a chance to. it makes one feel used and cheated.
if I wanted anyone to come along and help out, I would have INVITED them, having them forced upon me makes me inclined to play something else.
Ahhhh..... there is a solo option already.
Just keep that ticked in the start and you'll be soloing.