Here is how the number of enemies are divided and their average value.( the sacred pool not included).
Main adventure cards:
Strength enemies: 53 Average strength value: 3.75
Craft enemies: 36 Average craft value: 3.67
Dungeon cards:
Strength enemies: 41 Average strength value: 4.78
Highland cards:
Strength enemies: 28 Average strength value: 3.57
Craft enemies: 23 Average craft value: 3.61
Craft enemies: 31 Average craft value: 4.58