One time when I hopped onto mvm, I picked engi and noticed almost all of our team was engineers. Only one player went medic and it was engineer gaming at its finest.
Give max building health, other engie puts dispenser in ground of your sentry, you’ve got a shield. Make sure the other engie copies you, ITS OP I’m guessing
Fun Fact: The Frontier Justice is a better gun to use than the one you used in this video. "But you can't get the crits unless they broke your sentry." It's called braking it in between waves. Trust me, you will deal so much damage when you upgrade it. Also you can just brake your sentry at anytime. Now with all this said, do you believe me? No? Well at least I tried.
True mate, and it is effective as a last resources if you sentry is destroyed accidentally, those 35 crits can really help when you sentry had just been destroyed...