Boss

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A boss is a powerful, usually unique monster that is fought to accomplish an objective. Some monsters that are commonly referred to as bosses are very powerful monsters that reside in multi-combat areas; these monsters are commonly fought by teams of players in search of highly valuable drops. Many bosses have extremely high combat levels, and most of the strongest monsters in the game are bosses.

Each boss has its own hiscore table, tracking the players with the most kills, or raid completions in the case of raid bosses. Each of these bosses has unique drops in the collection log. Most bosses will generate a message upon kill telling the player what drop(s) they have obtained. For example, if players are at Callisto and kill him (and drops Voidwaker hilt), a message will appear in the game box saying "Player name received item: Voidwaker hilt".

List of bosses

Wilderness bosses

The following world bosses are specifically located within the Wilderness, where players may attack each other. The one exception is the King Black Dragon: his lair where the fight takes place is not located in the Wilderness, but it can only be accessed through Wilderness, and is thus still considered risky.

Warning: As these bosses are located deep within the Wilderness, and wander around in a multi-combat zone, beware of player-killers! Do not bring items you are not willing to lose.

Boss		Level	Hitpoints	Attack style(s)	Location	Drops
Nex		1001	3400	Magic Melee (crush) Ranged	West of Annakarl (::nexmulti) West of Deserted Keep (::nex) Royal Donator Zone	Nexling  Torva full helm  Torva platebody  Torva platelegs  Ancient blood ornament kit  Ancient godsword  Zaryte vambraces
Avatar		525	2500	Magic Melee (stab) Ranged	All over the Wilderness! (::avatar) It spawns every hour on :15 minute.	Lil' destructor  Ultor ring  Soulreaper axe  Virtus robe top  Virtus robe bottom  Virtus mask
TzTok-Jad		702	250	Magic Melee (stab) Ranged	All over the Wilderness! (::jad) It spawns every hour	Tzrek-jad  Dexterous prayer scroll  Demonic relic  Fire cape
Skotizo		321	450	Melee (slash) Magic	All over the Wilderness! (::skotizo) It spawns every hour	Skotos  Arcane prayer scroll  Dark claw  Demonic relic  Dragonfire ward  Ancient wyvern shield
Guardian of Votes		525	2500	Magic Ranged	All over the Wilderness! (::voteboss) It will spawn every 1,000 votes and anyone that has voted in the past 24 hours can attack it!	Guardian of Votes  Tokhaar-kal  Ferocious gloves  Avernic defender  Divine rune pouch
Vet'ion		454	255	Melee (slash) Magic	Skeletal Tomb (::vetsingle) Vet'ion's Rest (::vetmulti) Royal Donator Zone	Vet'ion jr.  Voidwaker blade  Demonic relic  Skull of vet'ion
Venenatis		464	850	Melee (stab) Magic Ranged	Web Chasm (::vensingle) Silk Chasm (::venmulti) Royal Donator Zone Donator Zone	Venenatis spiderling  Voidwaker gem  Demonic relic  Fangs of venenatis
Callisto		470	1000	Melee (crush) Magic Ranged	Hunter's End (::callistosingle) Callisto's Den (::callistomulti) Royal Donator Zone	Callisto cub  Voidwaker hilt  Demonic relic  Claws of callisto
Demonic Gorilla		275	380	Melee (crush) Magic Ranged	North of 44s Obelisk (::44s) Donator Zone	Pet Demonic Gorilla  Demonic relic  Heavy ballista
Chaos Fanatic		202	225	Magic	South of 44s obelisk (::44s)	Pet chaos elemental  Demonic relic  Demonic effigy
Crazy archaeologist		204	225	Melee (crush) Ranged	South of cemetery (::crazyarch)	Demonic relic  Demonic effigy  Demonic medallion
Scorpia		225	200	Melee (crush)	Scorpion Pit (::scorpia)	Scorpia's offspring  Demonic relic  Demonic effigy
King Black Dragon		276	255	Melee (stab) Dragonfire (long-ranged)	East of 44s obelisk (::44s)	Prince black dragon  Dragonfire shield  Fire cape  Fighter torso
Chaos Elemental		305	250	Magic Ranged Melee (crush)	West of the Rogues' Castle (::50s) Donator Zone	Pet chaos elemental  Demonic relic  Demonic effigy  Dragon warhammer

Wilderness monsters

Boss		Level	Hitpoints	Attack style(s)	Location	Drops
Revenants		135	155	Magic Melee (slash) Ranged	Revenant Caves (::revs) Donator Zone	Pet Revenant dragon  Vesta's longsword<  Vesta's chainbody  Vesta's plateskirt  Ancient relic
Royal Revenants		135	155	Magic Melee (slash) Ranged	Royal Donator Zone	Pet Royal Revenant dragon  Viggora's chainmace (u)  Craw's bow (u)  Thammaron's sceptre (u)  Ancient relic
Bearded gorillas		141	300	Melee (crush)	::gorilla	Necklace of anguish  Amulet of torture  Tormented bracelet  Ring of suffering (i)
Battle mages		54	120	Magic	Mage arena (::mb)	Elidinis' ward  Magic fang  Occult necklace  Staff of the dead
Roat Pkz Monsters		x	x	Magic Melee (slash) Ranged	Donator Zone	Armadyl godsword  Bandos chestplate  Bandos tassets  Primordial boots

World bosses

World bosses spawn across Gielinor either out in the open or in their lairs. World bosses are defined as bosses which spawn naturally, on their own, and can be killed at any time, as opposed to instanced bosses which spawn only in private lairs based on the actions of the player to whom the instance belongs. Some world bosses may, however, be killed in private instances for a price. Some world bosses, namely the Barrows brothers and God Wars Dungeon generals, also have additional requirements and mechanics related to finding and killing them. In the case of the Barrows brothers, they do not drop loot directly, but their defeat instead contributes to a single reward.

Boss		Level	Hitpoints	Attack style(s)	Location	Collection log
Corporeal Beast		785	2000	Melee (crush) Magic	Corporeal Beast Lair (Use the teleport portal at ::home)	Pet dark core  Elysian sigil  Spectral sigil  Arcane sigil  Holy elixir  Spirit shield
Barrows		98	100	Magic	East of Mort'ton (::barrows)	Ahrim's hood  Ahrim's robetop  Ahrim's robeskirt  Ahrim's staff  Bolt rack

Instanced bosses

As opposed to world bosses, instanced bosses can only be killed by a single player in the boss's lair, without the aid or even presence of other players.

Boss		Level	Hitpoints	Attack style(s)	Location	Collection log
Zulrah		725	500	Melee (Typeless) Ranged Magic	A shrine east of Zul-Andra (::zulrah)	Pet snakeling  Toxic blowpipe (empty)  Magic fang  Magma mutagen  Tanzanite mutagen  Serpentine helm (uncharged)  Zulrah's scales
Kraken		291	255	Magic (Typeless)	Kraken Cove (::kraken) (Optionally instanced)	Pet kraken  Kraken tentacle  Trident of the seas (full)

Sporadic bosses

Sporadic bosses are those that cannot be fought whenever the player wishes. Instead, they require a special item of some sort to gain access to them, which is obtained by partaking in other more common activities. Naturally, these bosses will also be instanced given the nature of their sporadic logistic. Of this list, Obor and Bryophyta are notably the only free-to-play bosses outside of quests.

Boss		Level	Hitpoints	Attack style(s)	Location	Requirements	Collection log
The Mimic		186	222	Melee (crush) Magic	::Clue	Mimic	Ring of 3rd age

Raids

Raids are high-level activities with a set of bosses that players can fight either alone or with a team.

Chambers of Xeric

On Roat Pkz you only have to kill Olm

Boss		Attack style(s)	Location	Drops
Great Olm		Magic Ranged	::Raids	Olmlet  Twisted bow  Dexterous prayer scroll  Arcane prayer scroll  Ancestral robe top  Ancestral robe bottom

Theatre of Blood

Boss		Attack style(s)	Location	Drops
Verzik Vitur		Magic Ranged Melee (crush)	Coming soon	stuff