Mega Man RPG Prototype Boss Database

No.28
Neptune's Mugshot

Neptune
Water / Earth Core

0 1 2 3 4 5 6 7 8 9 10
Neptune
SRN-009
Water / Earth Type
Mega Man V
Oceanic Avenger Stardroid
???
Laser Electric
Earth
None
Space
120
164
217
199
Astral Assassin

The robot puts effort into doing more damage when it knows the target has a weakness to one of its moves.

Sprite Sheets LeftRight

Neptune | Base Sprite Right
Neptune | Base Sprite Left
Neptune | Taunt Sprite Right
Neptune | Taunt Sprite Left
Neptune | Victory Sprite Right
Neptune | Victory Sprite Left
Neptune | Defeat Sprite Right
Neptune | Defeat Sprite Left
Neptune | Shoot Sprite Right
Neptune | Shoot Sprite Left
Neptune | Throw Sprite Right
Neptune | Throw Sprite Left
Neptune | Summon Sprite Right
Neptune | Summon Sprite Left
Neptune | Slide Sprite Right
Neptune | Slide Sprite Left
Neptune | Defend Sprite Right
Neptune | Defend Sprite Left
Neptune | Damage Sprite Right
Neptune | Damage Sprite Left
Neptune | Base2 Sprite Right
Neptune | Base2 Sprite Left
Neptune | Base Sprite Right
Neptune | Base Sprite Left
Neptune | Taunt Sprite Right
Neptune | Taunt Sprite Left
Neptune | Victory Sprite Right
Neptune | Victory Sprite Left
Neptune | Defeat Sprite Right
Neptune | Defeat Sprite Left
Neptune | Shoot Sprite Right
Neptune | Shoot Sprite Left
Neptune | Throw Sprite Right
Neptune | Throw Sprite Left
Neptune | Summon Sprite Right
Neptune | Summon Sprite Left
Neptune | Slide Sprite Right
Neptune | Slide Sprite Left
Neptune | Defend Sprite Right
Neptune | Defend Sprite Left
Neptune | Damage Sprite Right
Neptune | Damage Sprite Left
Neptune | Base2 Sprite Right
Neptune | Base2 Sprite Left

Sprite Editing by MegaBossMan / milansaponja and Rhythm / Rhythm_BCA | Original Artwork by Capcom

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Battle Quotes

"Robot, sorry to say this, but today's yer rusting day!"
"I'll throw salt in yer wounds-- and rust you from the inside!"
"Har, you've received a fate worse than scurvy!"
"Well, fry me up, 'cause nothing's worse than this!"
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Description Text

During the Stardroids conquest on Earth, Neptune led a large battleship through the Pacific Ocean, cutting off any human intevention to the Stardroid's plan. In combat, Neptune utilizes the Salt Water, but the name of this move is misleading. Rather than launching a puddle of actual water, the Salt Water attack is actually made of several corrosive chemicals which can melt through even the toughest of Earth metals. Neptune also enjoys throwing his weight around. In his battle with Mega Man, he would leap over Mega Man, jump on him, and cause the ceiling of his underwater ship hull to leak, damaging Mega Man. Due to his alien armor, Neptune can swim in both fresh and salt water for extended periods of time without fear of rusting. Neptune has become quite the experienced swimmer, recounting stories at galactic seas as if he was a pirate, discussing his latest voyage. In both combat and his love of oceans, Neptune will swim and fight to the bitter end. If this robot's ship goes down, he's going with it, but not before putting up a last stand.
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Ability Compatibility

Start
Salt Water IconSalt Water Water / Earth10 Damage90% Accuracy
Core Match
Bubble Spray IconBubble Spray Water Type15 Damage98% Accuracy Bubble Lead IconBubble Lead Water / Earth28 Damage96% Accuracy Rain Flush IconRain Flush Water Type50 Damage100% Accuracy Water Wave IconWater Wave Water Type16 Damage90% Accuracy Water Balloon IconWater Balloon Water Type10 Damage98% Accuracy Laser Trident IconLaser Trident Water / Laser23 Damage94% Accuracy Water Shield IconWater Shield Water / Shield5 Damage94% Accuracy Acid Glob IconAcid Glob Water Type8% Damage98% Accuracy Acid Barrier IconAcid Barrier Water / Shield100% Accuracy Grab Buster IconGrab Buster Water / Crystal24 Damage95% Accuracy Bubble Bomb IconBubble Bomb Water / Explode28 Damage90% Accuracy Water Shot IconWater Shot Water Type10 Damage100% Accuracy Water Buster IconWater Buster Water Type30 Damage100% Accuracy Water Overdrive IconWater Overdrive Water Type100% Accuracy Oil Shooter IconOil Shooter Earth Type15 Damage98% Accuracy Oil Slider IconOil Slider Earth / Impact25 Damage92% Accuracy Drill Blitz IconDrill Blitz Earth / Missile16 Damage92% Accuracy Power Stone IconPower Stone Earth Type12 Damage80% Accuracy Silver Tomahawk IconSilver Tomahawk Earth / Cutter18 Damage90% Accuracy Block Dropper IconBlock Dropper Earth Type15 Damage100% Accuracy Earth Shot IconEarth Shot Earth Type10 Damage100% Accuracy Earth Buster IconEarth Buster Earth Type30 Damage100% Accuracy Earth Overdrive IconEarth Overdrive Earth Type100% Accuracy Rising Cutter IconRising Cutter Cutter / Earth20 Damage98% Accuracy Magnetic Shockwave IconMagnetic Shockwave Electric / Earth15 Damage100% Accuracy
Global Abilities
Buster Shot IconBuster Shot 12 Damage100% Accuracy Buster Charge IconBuster Charge 100% Accuracy Buster Relay IconBuster Relay 100% Accuracy Core Shield IconCore Shield Shield Type100% Accuracy Core Laser IconCore Laser Laser Type36 Damage96% Accuracy Omega Pulse IconOmega Pulse 14 Damage100% Accuracy Omega Wave IconOmega Wave 26 Damage100% Accuracy Light Buster IconLight Buster 34 Damage100% Accuracy Wily Buster IconWily Buster 32 Damage96% Accuracy Cossack Buster IconCossack Buster 36 Damage98% Accuracy Energy Boost IconEnergy Boost 20% Recovery100% Accuracy Energy Break IconEnergy Break 20% Damage100% Accuracy Energy Swap IconEnergy Swap 100% Accuracy Energy Mode IconEnergy Mode 100% Accuracy Attack Boost IconAttack Boost 100% Accuracy Attack Break IconAttack Break 100% Accuracy Attack Swap IconAttack Swap 100% Accuracy Attack Mode IconAttack Mode 100% Accuracy Defense Boost IconDefense Boost 100% Accuracy Defense Break IconDefense Break 100% Accuracy Defense Swap IconDefense Swap 100% Accuracy Defense Mode IconDefense Mode 100% Accuracy Speed Boost IconSpeed Boost 100% Accuracy Speed Break IconSpeed Break 100% Accuracy Speed Swap IconSpeed Swap 100% Accuracy Speed Mode IconSpeed Mode 100% Accuracy Field Support IconField Support 100% Accuracy Mecha Support IconMecha Support 100% Accuracy Mecha Assault IconMecha Assault 100% Accuracy Mecha Party IconMecha Party 100% Accuracy Friend Share IconFriend Share 100% Accuracy
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Community Records

745 Times
291 Times
356 Times
174 Times
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Return to Boss Index

(!) Please note that the names, stats, types, and descriptions of any playable characters, robots, or abilities that appear in this database are not finalized and are subject to change without notice as development progresses on the game itself. That being said, the data on this page is pulled directly from the prototype's internal variables and will therefore always be in sync with the prototype itself. Database pages that do not have sprites represent incomplete but planned, future content and do not currently appear in-game.

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