Collaboration Stages · Stage 1Willing Sacrifice (Veteran)犠牲ハツキモノデース 超上級150Energy Cost18,800XP Reward120,000Enemy Base HP3,300Stage Length10Max Enemies5.1Difficulty Test your team vs this stageStage rewards5% — Akio Yabe (True Form) · first clear · Treasure RadarEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesProf. Wild Base (Enemy Base)1200%10s—0%Enemy base · BossHater200%13.3s—100%—Hater200%50s10.7s~21.3s99%—Hater200%70s5.3s~10.7s99%—Hater200%100s2.7s~5.3s99%—Ms. Sign100%∞900s900s100%—All Prof. Wild's Challenge stages