Collaboration Stages · Stage 2Willing Sacrifice (Deadly)犠牲ハツキモノデース 極ムズ150Energy Cost18,800XP Reward300,000Enemy Base HP3,000Stage Length12Max Enemies8.1Difficulty Test your team vs this stageStage rewards100% — Akio Yabe (True Form) · first clearEnemy spawns (13)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesProf. Wild Base (Enemy Base)3000%10s—0%Enemy base · BossHater200%110s—100%—Doge Dark400%∞16.7s20s~40s100%—Gabriel200%∞30s20s~40s100%—Doge Dark400%50s5s~10s75%—Shadow Boxer K200%30s10s75%—Hater200%30s6.7s~10s75%—Rain D.200%10s—75%—Gabriel200%80s5s~10s50%—Angelic Gory200%30s20s50%—Hater200%60s10s50%—Rain D.200%20s30s50%—Ms. Sign100%∞900s900s100%—All Prof. Wild's Challenge stages