Annihilaterror is an Archetype of Pyro/DARK and Rock/FIRE monsters with various Levels, though mainly focusing on Level 5. They focus on banishing, non-Effect Monster and Xyz Summoning, using Rank-Up-Magic. Many of their effects have an additional effect you can activate by banishing a Rock or Pyro monster from your hand. The Xyz Monsters all have effects that are boosted by having a non-Effect Monster attached to them. Their main boss is Annihilaterror - Ultramafic Colossus, which is a Rank 11