Special Stages · Stage 5N2+3H2→2NH3Ｎ2＋３Ｈ2→２ＮＨ3100Energy Cost8,930XP Reward250,000Enemy Base HP5,000Stage Length10Max Enemies6.1Difficulty Test your team vs this stageStage rewards100% — Lucky Ticket ×3 · first clear40% — Lucky Ticket ×360% — Lucky Ticket ×1Enemy spawns (10)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesPigge800%30s13.3s~16.7s100%—St. Pigge the 2nd300%10s—100%—Owlbrow200%240s10s~13.3s100%—Pigge800%∞100s30s~50s100%—Shadow Boxer K100%20s30s99%—Doge Dark400%160s6.7s~13.3s99%—Gary Gory300%60s16.7s~23.3s99%—Teacher A300%20s20s99%—Doge Dark10%10s—99%BossMs. Sign100%∞900s900s100%—All Summer Lesson stages