These are upgrades that improve hunter performance. The first groups are based on X's armors. A hunter is allowed to have one of each category, but if you want another, you must turn in the old upgrade to gain the new upgrade. Note: There will not be any upgrades based on the Falcon, Gaea, Blade or Shadow Armors.

Leg Upgrades:

Upgrade 1: This is an Acceleration Boost System. Agl +5
Cost: 600 zenny.

Upgrade 2: This enables a hunter to perform an Air Dash. However, it can only dash forward.
Cost: 800 zenny.

Upgrade 3: This enables a hunter to Air Dash, but it is able to Dash up in the air.
Cost: 900 zenny.

Upgrade 4: This upgrade enables a hunter to hover in mid-irfor a short amount of time. This upgrade also allows a hunter to Air Dash forward.
Cost: 1000 zenny.

Helmet Upgrades:

Upgrade 1: This helmet upgrade allows a hunter to break certain types of rock with his head.
Cost: 500 zenny.

Upgrade 2: This upgrade is a radar and is able to locate a secret location if one is present in the area.
Cost: 700 zenny.

Upgrade 3: This upgrade 'beeps', notify the hunter that a secret area is near by. This doesn't tell it's exact location.
Cost: 800 zenny.

Upgrade 4: This is for hunters who are able to aquire Special Weapons. This reduces Special Weapon energy consumption to zero.
Cost: 1000 zenny.

Arm Cannon Upgrades:
*All upgrades allow hunters with Special Weapons to charge their Special Weapons.

Upgrade 1: This fires a large barrage of energy, with an after-shock that goes to the back of the hunter. 4-rounds to charge. Damage 800.
Cost: 600 zenny.

Upgrade 2: This charges so a hunter has two Mega Busters charged in both arms or guns. Three rounds to charge both. Damge of first: 800, Damage of second is 600.
Cost: 800 zenny.

Upgrade 3: This charges a Mega But in each arm or gun, but it is capable to perform a Cross-Over Buster. Four rounds to charge
First&Seecond Blast: 600 damage
Cross-Over Buster: 800 damage
Cost: 1000 zenny.

Upgrade 4: This charges to have four Mega Busters stored. Three rounds to charge to all four. Damage: 800
Cost: 1100 zenny.

Upgrade 5: This is the Plasma Shot. Three rounds to charge. This Mega Buster passes through the enemy, leaving a ball of energy to continue damage. The energy blast lasts for two rounds. However, if three energy blasts appear, the hunter cannot attack.
Damage: 800, 300 for the energy ball.
Cost: 2000 zenny.

Armor Upgrades:

Upgrade 1: This upgrade gives an AC bonus of 2.
Cost: 500 zenny.

Upgrade 2: This gives an AC bonus of 3. This also enables a hunter to perform the Giga Crush. One use and it must be recharged to use again, either with W-Capsules or by taking damage by enemies.
Giga Crush Damage: 900
Cost: 800 zenny.

Upgrade 3: This gives an AC bonus of 3. When a hunter is hit, a shield activates, preventing damage to be taken for the remainder of the round.
Cost: 1000 zenny.

Upgrade 4: This gives an AC bonus of 3. This allows hunter to perform the Nova Strike. One use and must be recharged after use by W-Capsules or by takeing damage. Nova Strike damage: 900
Cost: 1300 zenny.

Other Enhancements:
Unlike the Upgrades, a hunter is not limited to the number of enhancements. However, a hunter is allowed to have a max number of four equipped on the battlefield.

Jumper: Increases jumping distance. +1 to dodge when jumping.
Cost: 500 zenny.

Hyper Dash: increases the dashing speed. +1 to dodge when dashing.
Cost: 500 zenny.

Speedster: Increses running speed. +1 to dodge when running.
Cost: 500 zenny.

Super Recover: Increases the power of Energy Capsules.
Cost: 700 zenny.

Buster Plus: Increases the damage of Busters and lasers by 20. Does not apply to any charging phases.
Cost: 700 zenny.

Speed Shot: Increases the normal firing rate by 1. Allows a hunter to fire one more blast.
Cost: 600 zenny.

Shock Buffer: reduces damage by half.
Cost: 800 zenny.

Zora Belt: This is an enhancement for humans only. This allows a human hunter to go underwater much like a reploid.
Cost: 400 zenny.