Talk:Fusion/@comment-79.42.98.215-20150227151901/@comment-24530896-20150306103714

If I am to assume you only used Max rank Fusion cores (C3, U5, R5 Cores) you would have 6100 energy in Fusion Cores. The total needed for a Rare 9 to 10 is 6144, so it might have been extra energy from ranking it up, hard to say, but it's close enough to show the data is good.