Challenges
Challenges in Old School Runescape require the player to battle through a series of increasingly difficult waves, before reaching and defeating the final boss.
The Inferno
AKA - Zuk Requirements - 1 x Firecape TzKal-Zuk and The Inferno reprsents the hardest PVM challenge ever brought to Old School Runescape. Survive 69 waves of intense battle and defeat the final boss, TzKal-Zuk, to be rewarded with the best in slot cape - the Inferno Cape.
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Fight Caves
AKA - Jad Dwelling in the TzHaar Fight Cave as the final boss, Jad is one of the strongest monsters in the game. This boss must be defeated in order to receive the Fire Cape. Protection Prayers are wholly recommended.
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Skilling
Skilling Bosses in Old School Runescape are a relatively new concept in which players fight the boss with non-combat skills like mining, farming, smithing etc.
Zalcano
Requirements - Song of the Elves Zalcano is a 'skilling' boss fight, located in Prifdinnas, in which you must utilise your non-combat skills like mining, smithing and runecrafting to overcome the boss.
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Raids
Raids in Old School Runescape pit groups of players up against multiple bosses in an instance - these bosses lead up to the final boss, after which loot is randomly assigned to each team member.
Theatre of Blood
AKA - Raids 2 Requirements - Priest in Peril Quest (For access to Morytania) The Theatre of Blood, also known as Raids 2, is a linear instanced challenge found in Meiyerditch which contains six unique boss fights, leading up to the final boss - Verzik Vitur.
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Chambers of Xeric
AKA - Raids The Chambers of Xeric, also known as Raids, is a non-linear instanced challenge found underneath Mount Quidamortem on Zeah, which contains multiple unique boss fights and puzzles, leading up to the final boss - the Great Olm.
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Solo Bosses
These Old School Runescape bosses were designed to be fought solo, they are found with an instance and therefore no one else can join you in your battle.
The Gauntlet
Requirements - Song of the Elves The Gauntlet is a solo minigame in which the player must traverse a randomly-generated dungeon and collect resources to prepare for the Gauntlet's final boss.
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Zulrah
AKA - Profit Snek Requirements - Partial completion of Regicide The snake boss resides in the poisonous waste outside Zul-Andra, south of Port Tyras. Partial completion of the Regicide quest is required to slay the creature.
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Vorkath
Requirements - Dragon Slayer II complete Dragon Slayer II’s penultimate boss is the three-legged undead dragon Vorkath. Completion of the quest is required to face the boss again, in stronger form. After your 50th kill, you are guaranteed Vorkath’s Head, which can be used to upgrade your Ava’s device.
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Skotizo
Requirements - 1 x Dark Totem Face this demi-boss after completing a full Dark Totem inside the Catacombs of Kourend and using it on the central altar. Skotizo will always drop an Ancient Shard and a Hard Clue Scroll.
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God Wars Dungeon
God Wars Dungeon in old School Runescape houses four unique bosses. These bosses vary in difficulty and were designed for groups, but a high-levelled player with good gear should be able to solo each of them.
General Graardor
AKA - Bandos Requirements - 70 Strength In charge of the Bandos section of the God Wars Dungeon, to the north-west, is General Graardor.
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Commander Zilyana
AKA - Sara Requirements - 70 Agility The leader of Saradomin’s forces, Zilyana, is found in the south-east area of the God Wars Dungeon.
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Kree’arra
AKA - Armadyl Requirements - 70 Range The Armadyl-aligned Aviansie found in the Eyrie at the south-west part of the God Wars Dungeon is Kree’ara. You will not be able to use Melee attacks during the fight.
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K’ril Tsutsaroth
AKA - Zammy Requirements - 70 Hitpoints Within Zamarok’s Fortress, situated in the north-east of the God Wars Dungeon, you can find the boss K’ril Tsutsaroth. Be careful of the Prayer Smash attack, which occurs when praying Melee, hitting up to a 49 & reducing your prayer by half in the process.
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Slayer Bosses
Slayer Bosses in Old School Runescape are designed to challenge players training slayer - often killing slayer bosses will yield slower XP than regular slayer training, but at a greater reward.
Alchemical Hydra
AKA - Hydra Requirements - 95 Slayer The Alchemical Hydra is the new Hydra boss found within the Karuulm Slayer Dungeon, released in January 2019 alongside the Kebos Lowlands.
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Grotesque Guardians
Requirements - 75 Slayer, 1 x Brittle Key On the roof of the Canifis Slayer Tower, you may fight Dusk & Dawn, the two Gargoyle bosses known as the Grotesque Guardians. They will always drop Granite dust upon death, the unique drop that powers up Cannonballs.
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Kraken
Requirements - 87 Slayer The Kraken Cove, where the Kraken boss lives, is found in Piscatoris, the area north of Eagles’ Peak. Despite the smaller Cave Krakens having a better drop-rate for the Trident, Kraken is an incredibly popular boss with important unique items. But if you’re not on task, you better ‘leave m’Kraken!’
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Abyssal Sire
AKA - Sire Requirements - 85 Slayer Deep within the Abyssal Nexus, the Sire lurks. It may be more beneficial to unlock Fairy Rings in order to teleport straight to the Nexus, rather than go through the Abyss, become skulled and lose Prayer points, or wear an Abyssal Bracelet, which takes away a valuable item slot.
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Cerberus
AKA - Cerb Requirements - 91 Slayer Hades’ dog, the three-headed Hellhound Cerberus, guards the River of Souls. Notable HCIM killer, this boss and her ghostly minions packs a punch.
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Thermonuclear Smoke Devil
AKA - Thermy Requirements - 93 Slayer Big boy Thermy hangs out in the sauna that is the Smoke Devil Dungeon, south of Castle Wars.
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Dagannoth Kings
The Dagannoth Kings in Old School Runescape all reside in a single dungeon and require a player to utilise all angles of the combat triangle.
Dagannoth Supreme
AKA - DKs One of three Dagannoth Kings representing Range in the combat triangle. The three kings reside in the Waterbirth Island Dungeon, and can be taken on in a team or solo. Solo players will need to bring a pet rock and a Rune Thrownaxe to access the caves.
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Dagannoth Rex
AKA - DKs One of three Dagannoth Kings representing Melee in the combat triangle. The three kings reside in the Waterbirth Island Dungeon, and can be taken on in a team or solo. Solo players will need to bring a pet rock and a Rune Thrownaxe to access the caves.
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Dagannoth Prime
AKA - DKs One of three Dagannoth Kings representing Magic in the combat triangle. The three kings reside in the Waterbirth Island Dungeon, and can be taken on in a team or solo. Solo players will need to bring a pet rock and a Rune Thrownaxe to access the caves.
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Miscellanious Bosses
These bosses can be found in all shapes and sizes through gielinor and vary in difficulty.
Nightmare of Ashihama
AKA - Nightmare The Nightmare of Ashihama, often simply referred to as The Nightmare, is a large, otherworldly horror who feeds on the life force of sleeping people, giving her victims horrible nightmares until their life force is completely drained and expires.
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The Barrows Brothers
AKA - Barrows The Barrows Brothers are a unique challenge in Old School Runescape - Slay all 6 brothers and open their chest to get a chance at obtaining a pice of their gear.
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Bryophyta
Requirements - 1 x Mossy Key Similar to Obor, this Mossy Giant boss can be accessed by using a Mossy Key from any Moss Giant in game on the doors of the lair at the end of the Varrock Sewers. She can also be taken on by F2P players.
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Corporeal Beast
AKA - Corp Once the strongest monster in OSRS history for nearly 3 years, Corp is nearly impossible without a team. It’s cave resides in the wilderness however a quick Games Necklace tele will get you there immediately, and you can pay 200k to host an instance meaning no crashers!
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King Black Dragon
AKA - KBD KBD is the three-headed black dragon boss located in the deep wilderness, west of the Lava Maze. Beware of PKers when going to and from the lair.
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Kalphite Queen
AKA - KQ Once the highest levelled monster in the game - before the arrival of Jad - the Kalphite Queen is not to be messed with. You can find her lair in the north-west corner of the Kharidian Desert.
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Giant Mole
Equipped with a spade and a light source, you can burrow below the Falador Park and fight the Giant Mole boss. This large creature is popular for its Mole Claw & Mole Skin 100% drops, which can be swapped with Wyson the Gardener for Bird Nests.
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Obor
Requirements - 1 x Giant Key After obtaining a Giant Key from a Hill Giant or Cyclops, you can face Obor the Hill Titan. This boss is one of few that can be accessed by F2P players. Find him by the Hill Giant area in the Edgeville Dungeon.
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Wilderness Bosses
These Wilderness bosses in Old School Runescape have some unique drops and can be killed in a group or solo, but their placement in the Wilderness means you're likely to encounter other players looking to kill you instead.
Vet’ion
North of the Bone Yard, near Lava Dragon Isle, the Skeletal Champion Vet’ion roams. This undead boss has two forms, purple and orange, owns Skeletal Hellhounds as pets that will need to be killed before you can harm the boss, and also creates earthquakes that cannot be blocked.
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Scorpia
The Queen of the Scorpions guards her lair next to the Rogue’s Castle in the deep wilderness, so not only is there threat of having your prayer drained by her minions but also PKers, for which there aren’t many escape routes.
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Venenatis
East of the Bone Yard, there are some spooky cobwebs: in the middle, Venenatis. This huge spider boss attacks Magic & Melee, can drain prayer, stun you and hit up to 50. Venenatis is, like Callisto, immune to Magic damage.
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Callisto
Callisto the great bear is a boss that roams the land east of Lava Dragon Isle. He uses melee that can knock you back and stun you, and a powerful magic shockwave attack that can hit up to 60. Don’t try and mage him, as he’s immune.
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Chaos Elemental
AKA - Chaos Ele Arguably the most frustrating boss in OSRS, the Chaos Ele boss uses all three attack styles, teleports you away and takes off your armour. Hovering around the Rogue’s Castle in the far reaches of the wilderness, you’ll have to be prepared before facing it.
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Crazy Archaeologist
Bellock the Crazy Archaeologist is a very similar Wilderness demi-boss to the Chaos Fanatic with a powerful area attack, which you’ll need to run away from. He hangs out by the Ruins on the west side of the wilderness.
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Chaos Fanatic
Follower of the Chaos Elemental, the Fanatic mimics the cloud boss by disarming you, plus has magical area attack that packs a punch. He can be found lurking west of the Lava Maze.
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