What savage way of punishing a captured enemy is depicted in the biag ni lam-ang?

In the epic "Biag ni Lam-ang," a savage punishment depicted for captured enemies involves the gruesome act of having them boiled alive. This brutal method serves as a stark warning to others and emphasizes the fierce nature of conflict in the story. It highlights the themes of revenge and the harsh realities of warfare in the context of the epic's narrative.