Dead Tired's words, not mine. It is the true though. Kind of iffy of it holding onto the DnD rules.
A warlock, as anyone ought to know, is a practitioner of magic and sorcery that uses the power of another to power their own magical and supernatural feats. That is, instead of understanding the weave of magic enough to manipulate it--as a wizard would--or using some inner strength to force magical phenomena to occur-
And all of MC adversaries are in built with tech jammers.
Not that cantrips would help him