Collaboration Stages · Stage 1Iron Will (Easy)一心同体にょろ！ 初級Data updated: 2026-07-2475Energy Cost10,575XP Reward15,000Enemy Base HP3,600Stage Length10Max Enemies2.2Difficulty Build a lineup for this stage Test your team vs this stageStage rewards5% — Karin Nekozuka · first clear · Treasure RadarEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesDoge100%70s16.7s100%—Hippoe100%42s10s~16.7s100%—Kang Roo100%160s—100%—Karin Nekozuka (Enemy)3%10s—99%BossDoge Dark100%30s16.7s99%—Ms. Sign100%∞900s900s100%—All Date Chance: Karin stages