The Lizards are a strong and tough race, and are merciless when it comes to defending their territory. Defending Lizard troops can destroy 15 times their number of attacking colonists.
This advantage is enabled by default, and can not be disabled. No special Mission or Friendly Code is required to trigger this advantage.
This advantage is worth 20 advantage points and is only available to The Lizard Alliance.
See also the related Lizard Ground Attack advantage.