The Protective Armor is an upgrade available to Dr. Eggman in Sonic Adventure 2. It upgrades the Egg Walker's body, which gives it more health. It has no other purpose.
- Purpose: Gives the Egg Walker more health points (an increase of 1/7 of its original health bar, about 14%).
- Location: Cosmic Wall. After climbing up the first tower that leads into the colony, drop down and land on the last platform on the left. There will be a missile on it. Fire the missile and cross to the other side where the missile went. The Protective Armor will be there.
- Requirements: Jet Engine.
- Required For: Nothing--it's purely a novelty item to allow Eggman to take more hits
- Equivalent: None.