GMforPowergamers
Legend
and that is before we account for 'no your caster can't take his action' counterspell, and a 2 level lower 'no your NPC/monster is on the ground laughing and we all get to dog pile it with advantage'Yes, I know. (I don't agree with his reasoning, but I acknowledge that it was a deliberate choice.) However:
1) The imbalance being deliberate does not make it any less of an imbalance.
2) Vampiric touch is not only weak compared to fireball, it's weak compared to virtually any other spell of its level. You do more damage with a cantrip, and the cantrips in question can be used at range.