I got you.
EP BREAKDOWN
EP < 1,000 = E Rank
1,000 - 2,999 = D Rank
3,000 - 5,999 = C Rank
6,000 - 7,999 = B Rank
8,000 - 8,999 = B+ Rank
9,000 - 9,999 = A- Rank
EP >= 10,000 = A - A+ Rank = Hazard Class
EP > 100,000 = Special A Rank = Sub-Demon Lord = Calamity Class
EP >= 200,000 = Special A Rank = Demon Lord Seed = Sage = Calamity Class
EP >= 400,000 = S Rank = Demon Lord level = Disaster Class
EP > 800,000 = Special S Rank
EP >= 1,000,000 = Super Awakened = Million Class (Tempest Only)
EP >= 2,000,000 = True Demon Lord = Saint Level
EP >= 20,000,000 = True Dragon Level
Traditional Special S (same for Catastrophe) doesn't have a set EP. This is because it's reserved for Catastrophe level beings. (Guy, Milim, Velodora, Velgyrnd, and Velzard)
Guy's EP <= 40,000,000
Veldora = 88,126,579
Vegrynd = 74, 350,037