Collaboration Stages · Stage 2A Tower Piercing the Sky (Insane)天を貫く大要塞 超激ムズ1★ 100%2★ 150%3★ 200%150Energy Cost18,800XP Reward400,000Enemy Base HP4,000Stage Length9Max Enemies7.1Difficulty Test your team vs this stageStage rewards100% — Rosary Angel (True Form) · first clearEnemy spawns (9)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesSir Seal1200%20s6.7s~13.3s100%—St. Pigge the 2nd600%120s—100%—Sir Seal1200%340s3.3s~10s100%—Doge Dark400%∞0s20s~30s99%—Shadow Boxer K150%80s20s99%—Shy Boy800%40s30s~33.3s99%—Dark Emperor Nyandam600%10s—99%—Wondermaria (Enemy)100%10s—99%BossMs. Sign100%∞900s900s100%—All Devilish Illusion stages