How do you kill an adult viscoroid in the First decade?

To kill an adult Viscoroid in "The First Decade," you need to target its weak points, which are typically located on its underbelly. Utilize ranged weapons or explosives to keep your distance while dealing damage. Additionally, maintaining mobility and avoiding its attacks is crucial, as Viscoroids can deal significant damage if they get too close. Always be prepared with health items and reinforcements if needed.