After buying and equipping the OP-INTENSIFY optional part, complete the following challenges to gain the abilities listed. Once you successfully complete a challenge you will receive mail that tells you what benefit you have gained.
OP-INTENSIFY must be equiped to gain abilities. The OP-INTENSIFY optional part becomes available after you finish the story part of the game, you will get a mail telling you it's available.
Location: Arena
Challenge: Defeat D-1 Thunder House
Ability: Radar Function
Location: Arena
Challenge: Defeat A-2 Ace
Ability: Enhanced Booster Performance
Location: Arena
Challenge: Defeat E-32 Exile
Ability: Increased Blade Range
Tip: I fought him in the Parking Lot and when I backed into a corner he ended up just sitting on top of me, in which case we both shot at each other and I won the damage race.
Location: 1st Layer: Nature Area
Mission: Destroy Massive MT
Challenge: Destroy both parts of MT and successfully complete mission.
Ability: Enhanced Cannon Operation Performance (Fire back weapons without kneeling)
Tip: It is a pain in the butt to go after the top portion of the MT with the other one shooting missile death at you. I used the sniper rifle with longest range FCS to attack the top part while hiding behind the large piece of debris in the area.
Location: 1st Layer: Nature Area
Mission: Destroy Massive MT
Challenge: Successfully complete mission.
Ability: Enhanced Cooling Performance
Location: 1st Layer: Nature Area
Mission: Defend Water Processors
Challenge: Defeat enemy AC and successfully complete level.
Ability: Enhanced Missile Interception
Tip: You don’t have to complete the second part of this mission to get the ability.
Location: 1st Layer: Nature Area
Mission: Destroy Massive Weapon
Challenge: Successfully complete mission.
Ability: Blade Wave Capability (Fires a blade beam by pressing O then X before your AC swings with sword.)
Location: 1st Layer: Special Research
Mission: Defend Ruglen Laboratory
Challenge: Defeat enemy AC and successfully complete level.
Ability: Improved Targeting Accuracy
Location: 2nd Layer: Waste Disposal
Mission: Bomb Disarmament
Challenge: Defeat enemy AC and successfully complete level.
Ability: Enhanced Turning Performance
Location: 3rd Layer: District 1
Mission: Eliminate Intruders
Challenge: Defeat enemy AC and successfully complete level.
Ability: Various Sensor Functions (Bio Sensor, Missile tracking, etc.)