After clearing a difficult boss territory, the protagonist reviews their valuable First Clear rewards, including 10,000 basic resources redeemable for 10,000 gold coins, enough to spawn 10,000 Skeletons. Despite losing over 1,000 Skeletons in battle, replenishment is postponed. They then open a tier 5 unit chest and acquire a Flame Mage, which is converted into a tier 5 Undead Necromancer to benefit from their talents. Recognizing the Necromancer's low HP vulnerability, they plan to use Skeletons as shields. Finally, the protagonist summons an undead hero with a Valhalla Token, preparing to lead the undead army forward, setting the stage for upcoming conflicts.