IMO I would consider it a success if each pack is as big/good as Lost Bastille + Belfry Luna + Sinner's Rise. Hopefully a bit more, but likely not. Those three at least all connect (minus the one-way silliness of Belfry Luna), have 2 NPCs, some interconnectivity in Bastille, and offer enough bosses/shit to do to be satisfying. Ideally, they'd be bigger but... yeah.
EDIT: who the fuck still uses fireball that late in the game? And the flask is only +2?
Havel + zweihander... a fuck ton of health and stamina, and his shit is still that weak? Clearly a degenerate scrub