power levels

people gauge others power level by feeling how much aura they release , so it depends on how much mana (or any main Energy they having)

normal human (10-200)

magical human (200-1000)

low rank devil (1000-2000)

middle rank devil (2000-5000)

high rank devil (5000-10000)

ultimate rank (10000-100000)

Satan (100000-1000000)

heavenly dragons (1000000+)

above dragons (big G, Shiva, Ophis, great red, Trihexa) : incalculable

be aware that this doesn't include physical strength or other variables