Mega Man X 5 – Boss Order
[NOTE: The boss names have been revised in the Mega Man X Legacy Collection version of this game.]
- Grizzly Slash (Weak to: Spike Ball | Gives: C-Shot)
- Duff Mcwhalen (Weak to: C-Shot | Gives: Gel Shaver)
- Dynamo (Weak to: X-Buster | Gives: N/A)
- Squid Adler (Weak to: Gel Shaver | Gives: Tri-Thunder)
- Izzy Glow (Weak to: Tri-Thunder | Gives: F-Laser)
- Dark Dizzy (Weak to: F-Laser | Gives: Dark Hold)
- The Skiver (Weak to: Dark Hold | Gives: Wing Spiral)
- Dynamo 2 (Weak to: Wing Spiral | Gives: N/A)
- Mattrex (Weak to: Wing Spiral | Gives: Ground Fire)
- Axle the Red (Weak to: Ground Fire | Gives: Spike Ball)
- Sigma Virus Bosses:
- Shadow Devil (Weak to: Tri-Thunder)
- Rangda Bangda 2 (Weak to: Ground Fire / Tri-Shot / Gel Shaver)
- Zero / Maverick Zero (Weak to: X-Buster)
- Sigma (Weak to: Tri-Thunder)
- Sigma 2 (Weak to: Spike Ball / Nova Strike)
Mega Man X 6 – Boss Order
- Commander Yammark (Weak to: Ray Arrow | Gives: Yammar Option)
- Ground Scaravich (Weak to: Yammar Option | Gives: Ground Dash)
- Blaze Heatnix (Weak to: Ground Dash | Gives: Magma Blade)
- Blizzard Wolfgang (Weak to: Magma Blade | Gives: Ice Burst)
- Rainy Turtloid (Weak to: Ice Burst | Gives: Meteor Rain)
- Metal Shark Player (Weak to: Meteor Rain | Gives: Metal Anchor)
- Shield Sheldon (Weak to: Metal Anchor | Gives: Guard Shell)
- Infinity Mijinion (Weak to: Guard Shell | Gives: Ray Arrow)
- Gate’s Lab Bosses:
- Nightmare King (Weak to: Giga Attack)
- High Max (Weak to: Magma Blade / Yammar Option)
- Gate (Weak to: Energy Balls)
- Sigma (Weak to: Metal Anchor)
- Sigma 2 (Weak to: Ground Dash)
Mega Man X 7 – Boss Order
- Soldier Stonekang (Weak to: Explosion)
- Tornado Tonion (Weak to: Gaea Shield)
- Splash Warfly (Weak to: Volt Tornado)
- Flame Hyenard (Weak to: Splash Laser)
- Ride Boarski (Weak to: Circle Blaze)
- Snipe Anteator (Weak to: Moving Wheel)
- Wind Crowrang (Weak to: Sniper Missile)
- Vanishing Gungaroo (Weak to: Wind Cutter)
- Sigma Bosses:
- Bulldozer Mechaniliod (Weak to: Explosion)
- Red (Weak to: X-Buster)
- Sigma (Weak to: X-Buster)
- Sigma 2 (Weak to: X-Buster)
Mega Man X 8 – Boss Order
- Bamboo Pandimonium (Weak to: Melt Creeper / Flame Burner / Enkoujin)
- Optic Sunflower (Weak to: Green Spinner / Blast Launcher / Youndantotsu)
- Dark Mantis (Weak to: Shining Ray / Ray Gun / Tenshouha)
- Gravity Antonion (Weak to: Shadow Runner / Black Arrow / Rasetsusen)
- Earthrock Trilobyte (Weak to: Squeeze Bomb / Spiral Magnum / Juuhazan)
- Gigabolt Man-O-War (Weak to: Crystal Wall / Bound Blaster / Rekkyoudan)
- Avalanche Yeti (Weak to: Thunder Dancer / Plasma Gun / Raikousen)
- Burn Roostar (Weak to: Drift Diamond / Ice Gatling / Hyouryushou)
- Sigma Bosses:
- Vile 1 (Weak to: Drift Diamond / Ice Gatling / Hyouryushou)
- Sigma Copy (Weak to: Shadow Runner / Black Arrow / Rasetsusen)
- Mecha Vile (Weak to: Drift Diamond / Ice Gatling / Hyouryushou)
- Sigma (Weak to: Shining Ray / Ray Gun / Tenshouha)
- Lumine (Weak to: Various)
- Lumine 2 (Weak to: Drift Diamond / Ice Gatling / Hyouryushou)
Source: [1], [2], [3], [4], [5]