Ranking

[F Rank]

-Max Energy Points - 100 points

[E Rank]

-Max Energy Points - 500 points

[D Rank]

-Max Energy Points - 1000 points

[C Rank]

-Max Energy Points - 5000 points

[B Rank]

-Max Energy points - 15000 points

[A Rank]

-Max Energy Points - 50000 points

[???]

-Max Energy Points - Unknown.