Giga Mechazilla

Toughness: 16000
Damage: 1000 / 1.75 seconds
Special:
• Immune to crushing and knockback. HP can exceed toughness; spawns with 20× toughness. Base damage reduction: 10%.
• Absorbs damage for 3×3 plant area. Consumes metal to restore 0.2× toughness HP. If no metal on field, restores (0.2 ÷ total number of Giga Mecha-nuts + Giga Mechazillas) × toughness.
• Attacks bite each zombie in range and release explosive mechanical projectiles. Bite deals 1% of own HP as damage and restores 0.4× damage as HP.
• Every 40 seconds, bite can devour non-leader zombies and restore 1× toughness HP.
• After accumulating 2× toughness damage, next bite devours non-leader zombies, refreshes devour cooldown, reduces 150 max damage, and increases 1% damage reduction (max 4000 and 90%).
• Immortality: Upon receiving lethal damage, HP drops to minimum 1 for 5 seconds, then enters 10-second cooldown; cooldown active on spawn. Odyssey Modifiers:
• Bloodthirsty: HP recovery ×3.
• Rapid Devour: Devour digestion time reduced to 15 seconds; instant devour threshold reduced to 1× accumulated damage toughness.