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Professor Oak's boss NPC, which illustrates the overworld coloration of boss-NPC names.

Bosses, oftentimes phrasally referred to as boss NPCs, are transcendent battle NPCs that can be challenged by qualifying players for an assortment of high-end rewards and feature-unlockings.

Since bosses constitute the strongest NPC-deployed lineups in the game—having maximal stats, 100 EVs across the board, and even exceeding the maximal levels that are attainable by players—they are considered the fulcrum of the PvM (player versus monster) aspect in Pokémon Revolution Online.

Boss NPCs are identifiable with their distinctively red-colored names on the overworld. Some bosses might not be visible to the players until their prerequisites have been satisfied.

Boss-NPC characters are predominantly modeled after either Gym Leaders, staff members, or plot characters.


Given their enviable rewards and stature as cream-of-the-crop end-game content, they typically will impose lofty requirements in order to be challengable.

While requirements will boss-specifically vary, there are many commonalities and baselines that are shared among them; the more prevalent ones include 200-plus hours of playtime and six level-100 on-hand Pokémon.


Some boss NPCs are compulsory in order to unlock essential features or progressional thresholds; for example, Youngster Joey must be defeated in order to advance to Hoenn, since he will occlude the transregional porter thereto until he is defeated. For the most part, however, boss NPCs are optional to battle but tremendously rewardful for those who defeat them, as they offer Pokémon, items and other commodities that might not be as handily obtainable, otherwise.

Incremental thresholds

While prizesets will boss-specifically vary, most of them follow the same paradigm of reward-distrubiting. Most offer initially randomized prizes—typically enviable Pokémon or items at commensurately varying odds—until the incremental thresholds are met; typically after three-consecutive wins against the boss, they will allow you to select the prize, sometimes augmenting the selectable prizes to extra prizes that might not be rewardable, otherwise.

The consecution of battles will reset either upon losing to the boss or after the third-consecutive win. Bosses typically will remind you what streak you are on after defeating them.


Many bosses will reward Pokémon that might either be unhuntable or ultra-rare, otherwise.

Boss-rewarded Pokémon may also have potential shiny counterparts, but most stipulate that the incremental thresholds must be met before the shiny chance is possible.


Many bosses are also multifunctional in the sense that they may serve as vendors or as move tutors. In these cases, they typically will require being battled at least one time before their commercial services are accessible; this entails that the requirements are satisfied, or they may not have any accessibly serviceable feature.

Supplementarily, an amount of Pokémoney ranging from PokémonDollar.png1-PokémonDollar.png10,000 will also be rewarded upon defeating the NPC.

Challengable bosses


All presently challengable bosses are tabulated hereunder. Click on the boss name to access its individualized page for much more elaborate information regardingly.

ArchieHoennMarine Cave (Cave of Origins)Not rechallengable
Ash WestbrookSinnohSpear Pillar12 days
BattleBotSevii IslandsTwo Island House15 days
BrockKantoDiglett's Cave12 days
BrunoJohtoMt. Mortar Lower Cave12 days
BugsyJohtoAmazon Forest12 days
ChuckKantoSaffron City (Gold's Gym)12 days
ErikaKantoViridian Maze12 days
Gamer DiepiJohtoGoldenrod Gaming Corner12 days
Gamer PewdieJohtoGoldenrod Gaming Corner12 days
GeorgeKantoPewter Jail12 days
Gingery JonesHoennFeral Site (Fiery Path)12 days
Guardian (Entei)KantoRoute 25 (Route 25 Cave)12 days
Guardian (Raikou)HoennRoute 110 (Secret Base Alpha)12 days
Guardian (Suicune)JohtoLage of Rage (Secluded Lake)12 days
Jessie & JamesKantoCeladon City12 days
KoichiKantoSaffron Dojo12 days
Lance (Cerulean Cave quest)JohtoDragons Den B1F12 days
Lance (Dragons Shrine)JohtoDragon Shrine12 days
LetrixSinnohValley Windworks12 days
LinkSinnohTwinleaf Town (House 2)12 days
LoreleiJohtoIce Path B2F12 days
Lt. SurgeHoennNew Mauville12 days
MaribelaSinnohFloaroma Meadow12 days
MaxieHoennTerra Cave (Cave of Origins)Not rechallengable
MistyJohtoRoute 4112 days
MortyHoennMt. Pyre 4F12 days
NaeroKantoCerulean Cave B1F12 days, standardly; 6 with active membership
NeroliJohtoIlex Forest12 days
NikolaKantoUnknown Place (Trainers Valley)21 days
Officer JennyOrange IslandsPinkan City (Pinkan Lighthouse 2F)12 days
Officer ShamacKantoPewter City (Jail)12 days
Professor BirchHoennVerdanturf Town (House 2)12 days
Professor ElmJohtoRuins of Alph (Research Center)12 days
Professor OakKantoCinnabar Island (Lab Room 2)12 days
Professor RowanSinnohJubilife City School12 days
RedKantoMt. Silver SummitOne-off battle; not rechallengable
SageJohtoViolet City (Sprout Tower F)12 days
SaphirrSinnohRoute 22712 days
Shary & ShauiKantoLove Island (House 1)12 days
StevenHoennValley of Steel (Underground)12 days
SuhuzenHoennDesert Ruins12 days
TerminatorKantoMt. Silver Moltres Chamber11 days
The Pumpkin KingKantoRoute 612 days
ThorJohtoWhirl Islands B4F12 days
ToothlessHoennAbandoned Ship B1F Room 1 (Route 108)12 days
Youngster JoeyKantoInterposed between the multi-partitional Elite Four buildings at Indigo PlateauNone if you lose; not rechallengeable if you won


All bosses on the tabular list below are discontinued bosses, meaning that they previously existed but were removed from the game, made inaccessible, or have been substantially reworked.

9oomy & GouseruKantoLove Island (House 1)12 days
GreinjackJohtoIn front of Blackthorn City's Pokémart12 days
Guardian KaguyaPhantasm LandUnison Mountain Summit2 days
KagawaVulcan IslandKalijodo Lake6 days
Mayor GorgePhantasm LandUnison Mountain 3F2 days
Officer WargreymonKantoPewter City Jail12 days
Old Lady JaniceHoennLilycove City (Motel 2F)12 days
RavineHoennMt. Pyre Summit12 days
Sgath & KeresKantoLove Island (House 1)12 days
ShieonCryofrostMistpeak Valley House12 days
Summer Guardian LimeVulcan IslandKalijodo LakeNot rechallengable
Summer Guardian RinVulcan IslandVulcan Island ShoreNot rechallengable
ZetsuPhantasm LandBittersweet Cave 4F3 days

Cooldown time


Most bosses will be rechallengable after 12 days have elapsed; the main exceptions are quest-compulsory bosses, which either cool down after 2 hours or will not be rechallengable by virtue of the fact that simply battling them will suffice to unlock the progressional reward.

Naero is another anomaly, wherein the boss' cooldown time will be halved to six days if battled with active membership status at the juncture the battle was initiated.


The cooldown-checker performing a confirmatory check on Brock's status.

The cooldown times can be checked by speaking to the cooldown-checker in Celadon Office 2F, Goldenrod City House 1, Slateport City House 1, or Canalave City (House 1); they will give you a confirmatory response as to whether or not they are ready.

If you seek a more quantitative answer on the remaining cooldown time, you can interact with the boss in question; they will quantify how much time is remaining before they are rechallengable when asked.