Ok so last night i actually find a pt in the discord but for the 2 hours i was in the pt we can't even get in BA once because some other big allaince claim the instance is their and refuse to leave. There were also complain in discord that there are snipping issue.

I believe it is a symptom of a problem; the discord breed elitism. IF the people are not invite to the discord, they can basically never get in BA as a party, net alone train and get crystal to boost their equipment. Every level 60 have a right to go in BA as long as they help fight the UFO and get gold. So the sniper/ pug only have 1 way to go in, they snip the portal when it turn red. I believe the discord requirement is a mistake.