I will still fall back on, Midgardsormr's words to us, when he remarked, of all our kind, none were stronger than us.

Now, there are many aspects to strength, as we know. Strong as we are, we still fell victim to an ordinary citizen drugging us to sleep, just as one example.

The only way Zenos beats us in a straight-up fight, is under extenuating circumstances of wounds, weakness, fatigue, surprise - or circumstances of character; put most succinctly by someone who said "No. You are not evil. There are some things you just won't do, no matter what. For you the end does not justify the means. (Baddie X) doesn't have that problem."