You don't have to chase, just simply tag and put a bullet of anything in besides and AR (which would be a few bullets) or a burst of a pulse and they're dead. Tne hunter includes both the melee and the grenade and the other is only using the grenade, therefore if gou're comparing them you must only compare the smoke. The warlock melee can 1 shot low armor builds, and burn everything else to virtually no health left all while applying DoT and giving the user a overshield. (which increases in strength when using a high armor build) Couple that with the warlocks ridiculous melee (not just the range, but also the fact it will turn 45+ degrees to hit someone for you), then you've got yourself a substantially stronger set of abilities.