Caelus plunges his sword into the ice pillar, not the Serpent. He seals the brand with his own life force. The Serpent sleeps. The Frozen Sea remains frozen. Caelus becomes the Eternal Sentinel , frozen in crystal at the sea’s heart—but alive, watching over the world. Lyra (tearful sprite): "He was never meant to be king. He was meant to be the lock." 2. Slay (Dark Ending): You kill the Serpent. The sea melts overnight. The Sunken King rises—a skeletal giant wielding a coral sword. Final screen text: "The Knight of the Frozen Sea was not its protector. He was its lid. And you just opened the jar."

A small boat on calm water. Lyra holds Caelus’s helmet. Old Finn points north. "There are other prisons. Other knights. The sea has more than one frozen grave." The screen fades to "To Be Continued in Heroes Lore 3: The Ashen Tides." Bonus: Helpful Cheat Code for Episode 5

You meet a Siren of the Rime (boss, 450 HP, ice breath attack). If you have Old Finn’s Whalebone Charm (from Episode 3), you can negotiate. She gives the Melody Shard , which opens the Serpent’s Lair without a fight.

Two ending options appear, filling the small screen:

Helpful hint (pop-up text): "Save before choosing. Both paths lead to the Serpent—but one saves potions."