BK attacks were great. It took me some time to get into them, but I loved them
in the end.
When they re-opened them, I was pretty excited - but I found it impossible to
re-join for the reasons mentioned earlier.
At the end of the day, the attacks were re-coded in an unworkable way. I would
have loved to have re-joined - feel free to blame inadequate mortals if it makes
people feel better about their code.
This is one of the worst things with Nanny. The things that you don't manage to join when they still exist. The reason is good, though. There are so many things you CAN do and experience in Nanny. Even after a lot of years, there are lots of stuff I haven't done (partly because my idly way of playing, though).
Basalt attack is one of the things I never experienced. Not yet, anyway.