When Vultures kill an enemy, another will join the flock. Stringy meat makes a tasty stew!
Use AoE anti-air Minis like Huntress or Pyromancer to take care of the vultures!
For every PvE mission, there is a campaign version and a Heroic version. When you first begin the game, you can only participate in campaign missions. Upon collecting 50 sigils, you will then unlock Heroic missions.
Campaign missions will grant rewards after the first successful clear with ANY family. Heroic missions must be completed with EACH of the 5 different families in order to receive the mission rewards.