Collaboration Stages · Stage 5You'll Be Happy, Won't You幸せになって、くれるよね･･･1★ 100%2★ 150%3★ 200%4★ 200%Data updated: 2026-07-24300Energy Cost282,000XP Reward720,000Enemy Base HP4,000Stage Length9Max Enemies9.1Difficulty Build a lineup for this stage Test your team vs this stageStage rewards100% — XP ×750,000 · first clear20% — XP ×375,000Enemy spawns (11)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesMetal Hippoe200%10s—100%—Metal Hippoe200%12s—100%—Metal Hippoe200%15s—100%—Metal Hippoe200%19s—100%—Metal Hippoe200%114s—100%—Metal Doge200%810s5s~10s100%—Metal Doge200%∞0.1s20s~40s99%—Metal One Horn200%80.1s13.3s~20s99%—Super Metal Hippoe200%40.1s33.3s~40s99%—Box Witch and Minions400%10.1s—99%BossMs. Sign100%∞900s900s100%—All Witch's Labyrinth: Box Witch stages