You roll the Warlock in Diablo IV and, pretty quickly, you realise it's not a "sit back and let minions do it" kind of class. You're in people's faces, dipping in and out of Demon Form, and treating your summons like ammo. They show up, they explode, they die, and somehow that's the point. If you're the type who likes tinkering with gear early, it's worth planning around upgrades like buy...