When attackers ambush a weakened snake with poison, the reptile panics but survives after the ally Redfang tears a hole in an Obsidian Turtle's shell. The snake devours the turtle's meat, limbs, shell and core, gaining evolution points and triggering a second evolution. Faced with Frostborn Breath or Obsidian Shell, the host rejects frost—Conceal Presence and Venom Fang favor ambush—choosing Obsidian Shell. He evolves into an Armored Serpent with greatly boosted defense. He then vows, "it's time for you to pay the price for what you took," and prepares to confront his parents.