The notorious mysterious virus-like being Entity 303 tries to rule Minecraft but first he has to confront the all mighty Herobrine!
The Mini Bosses mod adds new mobs to the game to make things that much more difficult. These are super charged mobs that deal a significant amount of damage and are very difficult to kill. This is where Dark Iron Armor comes into play. It gives you night vision, speed and jump boosts, and regeneration.