Code: Select all
Act Monster level Boss Boss level
Act 1 Normal 11 Andariel 14
Act 2 Normal 18 Duriel 21
Act 3 Normal 24 Mephisto 27
Act 4 Normal 29 Diablo 33
Act 5 Normal 36 Baal 41
Act 1 Nightmare 43 Andariel 48
Act 2 Nightmare 50 Duriel 55
Act 3 Nightmare 56 Mephisto 62
Act 4 Nightmare 61 Diablo 67
Act 5 Nightmare 68 Baal 74
Act 1 Hell 75 Andariel 80
Act 2 Hell 82 Duriel 87
Act 3 Hell 88 Mephisto 92
Act 4 Hell 91 Diablo 95
Act 5 Hell 95 Baal 98
I added a display on all monsters that shows the level on the three difficulties. It does not work on champions, bosses and act bosses though, but it should help you to see faster if you are fighting the appropriate monsters for your character level.