I do not recall VS ever having the ability to mez. As my memory serves, wizards could solo him at some point. I never heard of them complaining that he kept mezzing them.
I'm also digging through archived eqbestiary pages for him. They don't seem to add spells used to later on, but in all of the strategies posted by members on his page from the 2000-2001 era, they mention only the rune. Perhaps this is because he has relatively low HP if the fight is done correctly? Not sure. I've had some failed attempts on him back in the day and never got mezzed.
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