User blog comment:Great Daiyusha/BFE H-BT03 Q&A/@comment-25324008-20151027084351

From my understanding Q1. Since it's not a counter but a fulfilled requirement ability instead, a counter can be casted. Q7. I presume it's when the 3 gauge requirement of calling Burn Nova is not fulfilled. Q10. Just a case of English Bushiroad not following Japanese.

Well, the blogger is the head judge for Singapore regionals.