I think your issue is with CME and in that case, you should just ban the spell. I don't see any min-maxing here. This is just basic optimization using CME.
Without a Vicious Weapon and going with the Shillelagh-build, the Eldritch Knight at level 11 gets (1d12+5+2+2d8)x3+2d6=74.5, doubled with...