Use defeated Arena opponent’s emblem:
Display the profile of a a defeated opponent and press L R. A confirmation sound will play upon success.

OP-INTENSIFY ability features:
Unlock the following features for the OP-INTENSIFY parts by performing the corresponding tasks while OP-INTENSIFY is equipped:

Blade wave ability – Complete “Destroy Massive Weapon”. Execute the move by pressing [Left Arm Weapon], then using boost in mid-swing.
Enhanced booster performance – Defeat Arena opponent A-2, Ace.
Enhanced cooling performance – Complete “Destroy Massive MT.”
Enhanced core missile interception – Complete “Defend Water Processors” after defeating the AC.
Enhanced turning performance – Complete “Bomb Disarmament” after defeating the AC.
Fire back weapons without kneeling – Destroy both parts of the MT in “Destroy Massive MT”.
Improved targeting accuracy – Complete “Defend Ruglen Laboratory” after defeating the AC.
Increased blade range – Defeat Arena opponent E-32, Exile.
Radar function without a radar equipped – Defeat Arena opponent D-1, Thunder House.
Various sensor functions – Complete “Eliminate Intruders” after defeating the AC. This effects the bio sensor, missile tracking, etc.

Unlockable parts:
Unlock the following parts by performing the corresponding tasks. Note: In some missions, you must have your company loyalty rating at a certain level for that part to appear. If they do not appear at first, replay the mission to try again:

CAL-44-EAS (arms) – Appears at the shop during Story mode.
CAW-DC-03 (weapon arms) – Defeat rank A-1 in Arena.
CAW-DS604 (back unit) – Appears at the shop during Story mode.
CBT-FLEET (booster) – In “Destroy Massive MT”, behind a hill in the northwest corner.
CEBT-HEX (extension) – Complete “Safeguard Alloy Sample” without losing the transport.
CEEC-01-XSP2 (extension) – Complete “Eradicate Life Forms” without breaking the gas canisters.
CHD-04-YIV (head) – In “Defend Naire Bridge”, below the start on a platform under the bridge. Note – Go to the open end and fly back underneath.
CHD-GLITCH (head) – Defeat rank E-33 in Arena.
CLL-EM-070 (legs) – Defeat rank C-10 in Arena.
CLR-00-MAK (legs) – Defeat rank A-3 in Arena.
CWC-SLU-64 (back unit) – Defeat rank B-7 in Arena.
CWGG-GR-12 (right arm weapon) – Defeat rank C-15 in Arena.
CWGG-HG-10 (right arm weapon) – In “Defend Helicopter Crew”, on top of a pipeline to the northeast.
CWM-S60-10 (back unit) – Win in the Arena.
CWX-LIX-10 (back unit) – Appears at the shop during Story mode.
CWX-LIX-10 (legs) – Appears at the shop during Story mode.
KES-ES/MIRROR (left arm shield) – Unlock the bonus mission in “Defend Water Processors”, then complete it.
KWB-MARS (right arm weapon) – In “Destroy Massive Weapon”, on a beam under the starting platform
KWG-HZL30 (left arm weapon) – In “Destroy Naire Bridge,” destroy both monorails that pass by, then complete the mission.
KWM-AD-50 (back unit) – In “MT Training Exercise”, do not get hit by a single missile.
KWX-OC-22 (back unit) – In “Destroy Germ Canisters”, destroy all enemies and complete the mission.
MAL-303S (arms) – Defeat rank D-5 in Arena.
MCM-MX/002 (core) – Appears at the shop during Story mode.
MEBT-OX/MB (extension) – In “Rescue the Survey Team”, hidden in a nook in the wall to the left of the closed door.
MEST-MX/CROW (extension) – In “Disable Pulse Generators,” go through the breakable grate above one of the generators on the lower level.
MGP-VE905 (generator) – Defeat rank D-15 in Arena.
MHD-RE/H10 (head) – In “Destroy Escaping MT”, outside the door where the real mission target appears.
MLB-MOONLIGHT (left arm weapon) – Complete “Destroy Massive MT” without a consort.
MLB-T/100 (left arm weapon) – In “Assault Crest Facility”, on top of the last generator.
MLH-MX/VOLAR (legs) – Get a good score in AC Test 1, about 35 to 40 targets without missing.
MLR-MM/PETAL (legs) – Appears at the shop during Story mode.
MLR-ZMX (legs) – Defeat rank B-2 in Arena.
MRL-SS/SPHERE (back unit) – In “Protect Crest Convoy”, behind a radar dish to the left of the ravine near the start.
MWC-XP02/75 (back unit) – In “Defend Energy Reactor”, on the floor in one of the right-side hiding locatoins on the way to the reactor.
MWG-HG/111 (right arm weapon) – In “Bomb Disarmament”, at the bottom of the molten pit
MWG-KARASAWA (right arm weapon) – In “Destroy Gun Emplacements”, destroy the cannons as quickly as possible to unlock the bonus mission, then complete it.
MWG-SBZ/24 (right arm weapon) – In “Recover Ship Cargo”, at the bottom level of the ship
MWG-XCB/75 (right arm weapon) – In “Defend Ruglen Laboratory”, destroy the enemy AC and complete the mission.
MWGG-XCG/20 (right arm weapon) – Added to shop as you progress story mode.
MWI-DD/20 (inside part) – In “Defend Water Processors,” on the ground behind the pipes to the right of the start.
MWR-M/45 (back unit) – In “Safeguard Water Supply”, behind an outcropping at the top of the dam.
MWX-MX/STRING (back unit) – Complete the game.
OP-E-LAI (optional part) – Defeat rank C-5 in Arena.
OP-E-LAP (optional part) – Appears at the shop during Story mode.
OP-INTENSIFY (optional part) – Complete the game.
RIX-CR5000 (radiator) – In “Eliminate Infiltrators,” after opening the door to floor 6F, along the far wall.
RMR-ICICLE (radiator) – In “Defend Personnel Convoy” do not lose any ally vehicles.
VREX-WS-1 (FCS) – Defeat rank D-10 in Arena.