In a deadly trial space, Felix and fellow academy students are confronted by a terrifying Tier 9 Scorpion King, enraged because Felix killed its Tier 5 offspring. The students panic as the monster's overwhelming power threatens everyone, and the academy orders immediate evacuation. Despite warnings to face the beast and atone for killing its child, Felix refuses to sacrifice himself, relying on his Bone Dragon for survival. As chaos escalates, Felix levels up and summons Flora, the Mourning Angel, signaling a desperate fight ahead against the monstrous threat.