I scanned a few of the zombies to see their stats.
[Name: Reanimated Zombie (Weak)
Stats:
10 Strength
5 Dexterity
20 Endurance
10 Magic]
[Name: Reanimated Zombie (Intermediate)
Stats:
15 Strength
10 Dexterity
20 Endurance
15 Magic]
[Name: Reanimated Zombie (Normal)
Stats:
20 Strength
15 Dexterity
20 Endurance
20 Magic]
Hmm… I'm assuming their stats are different because they were made using different amounts of magic imbued within them. Which probably means that there might be even stronger zombies if that guy had used more magic to reanimate them.