Dark Events are ADVENT's counter-operations, providing them with various buffs or hindering XCOM. These can range from 'Advanced Power Armor' for ADVENT units to 'UFO Hunt' which targets the Avenger. You'll often have the opportunity to counter one Dark Event by completing a specific mission. Choose wisely, prioritizing the Dark Event that poses the greatest threat to your current strategy.
Common Dark Events:
- Advanced Power Armor: ADVENT units gain bonus armor.
- UFO Hunt: Avenger is targeted by a UFO.
- Rapid Response: ADVENT reinforcements arrive faster.
- Viper Rounds: ADVENT units gain poison attacks.