The Hueycoatl | OSRS Index

This fight takes place in an instance.

On death, all unprotected items will be moved to a grave outside the instance. Any items left on the ground will be lost.

This article has a strategy guide.

All information on mechanics and strategy will be on this page.

NormalShieldedDefeated
The Hueycoatl



Released		25 September 2024 (Update)
Members		Yes
Combat level		642
Size		7x7
Examine		It's like it's part of the mountain itself.
League region		Varlamore✓

Combat info

Attribute		Draconic
XP bonus		+60%
Max hit		14
Aggressive		Yes
Poisonous		No
Attack style		Melee, Magic, Ranged
Attack speed		Variable

Combat stats


2,500	150	50	125	50	50

Aggressive stats


+100	+50	+200	+50	+250	+50

Melee defence


+100		+100		+0

Magic defence


+200			60% weakness

Ranged defence


+350		+350		+350

Immunities

Poison		100% resistance
Venom		100% resistance
Cannons		Immune
Thralls		Not immune
Freeze		100% resistance

Open in DPS calculator
Advanced data

Monster ID		14009,14010,14013
Link		MOID

Hueycoatl body



Released		25 September 2024 (Update)
Members		Yes
Combat level		642
Size		1x1
Examine		There's a monster in this mountain...
League region		Varlamore✓

Combat info

Attribute		Draconic
XP bonus		+15%
Max hit		13
Aggressive		Yes
Poisonous		No
Attack style		None
Attack speed		Does not attack

Combat stats


250	150	50	125	50	50

Aggressive stats


+100	+50	+200	+50	+250	+50

Melee defence


+100		+100		+0

Magic defence


+200			60% weakness

Ranged defence


+350		+350		+350

Immunities

Poison		100% resistance
Venom		100% resistance
Cannons		Immune
Thralls		Not immune
Freeze		100% resistance

Open in DPS calculator
Advanced data

Monster ID		14017
Link		MOID

NormalBroken
Hueycoatl tail



Released		25 September 2024 (Update)
Members		Yes
Combat level		642
Size		5x5
Examine		I'd best avoid that.
League region		Varlamore✓

Combat info

Attribute		Draconic
XP bonus		+17.5%
Max hit		25
Aggressive		Yes
Poisonous		No
Attack style		Typeless
Attack speed		Variable

Combat stats


300	150	50	125	50	50

Aggressive stats


+100	+50	+200	+50	+250	+50

Melee defence


+100		+100		+0

Magic defence


+200			60% weakness

Ranged defence


+350		+350		+350

Immunities

Poison		100% resistance
Venom		100% resistance
Cannons		Immune
Thralls		Not immune
Freeze		100% resistance

Open in DPS calculator
Advanced data

Monster ID		14014
Link		MOID

The Hueycoatl ( HWAY-koh-at-el^[1]) is a draconic boss whose large body is coiled around the Darkfrost. Said to have scales as strong as rock and sleep atop a pile of gold, the Hueycoatl has awakened and wreaked havoc around the mountain and the dwarves of Cam Torum require assistance in subduing her.^[2]

She can be fought in a group of up to 20 players, or via a private instance by the meeting flag next to the bank buffalo for a fee of 50,000 coins (25,000 with completion of the hard combat achievements). Ironmen are eligible for drops when fought in a group. Though players can solo her, there are parts of the fight that are preferably dealt with in a group.

Uniques from the boss include the tome of earth, the dragon hunter wand, Hueycoatl hide, and huasca seeds.

If the player is below 85 combat and 43 Prayer, they will receive a warning message when attempting to enter the Hueycoatl's arena. It is still possible to enter without the recommended stats by completing the dialogue.

Location

Location	Levels	Members	Spawns	Map	League region
The Darkfrost	642		1	Show map	Varlamore✓

Official worlds

The following official worlds are assigned to Varlamore PvM:

World	Location	Members	Activity
340	United States (west)	1	Varlamore PvM
517	United Kingdom	1	Varlamore PvM

Fight overview

Players initially confront five exposed segments of the Hueycoatl's body at the base of the mountain, all the while avoiding the glowing symbols and using the correct prayers to counter her projectiles. Once all segments are defeated, the tail ascends the mountain, clearing the path to the summit.

At the summit, players must attack her head directly, again taking care to avoid glowing symbols and pray correctly. Here, teams of three or more can balance their protection prayers in order to allow the seer to light up the braziers, activating a 30% damage bonus for players. This bonus remains in effect as long as the braziers are lit.

Once players get her to half health, she will shield herself, requiring players to break her tail. The tail is subject to a damage cap of 4 or 9, depending on whether the player's crush attack bonus is their highest, making this phase the longest of the fight for smaller teams. Additionally, the tail will perform a slam attack each time it shifts position, releasing a shockwave that inflicts approximately 25 damage if not evaded.

Once the tail's health is depleted, the Hueycoatl's shield dissipates, allowing players to resume their attack on her. In this final stage, she will continue her standard attacks (glowing symbols and prayer projectiles) with increased frequency, while also employing her tail slam shockwave attack.

Money making

The following money making guide is available for The Hueycoatl:

Method	Hourly profit	Skills
Killing Hueycoatl (Solo)	1,787,204	80+ , 90+ recommended 70+ recommended for Piety 76+ recommended for Thralls

Drops

In order to obtain drops from the Hueycoatl, the player must reach a threshold of damage in the different stages of the battle. For fights with 5 players or fewer, a player qualifies for drops when they deal 25 damage to the body, and 75 damage between the head and tail. For fights with 6 or more players, dealing either 25 damage to the body, or 75 damage throughout the entire fight, will qualify. If the player doesn't do at least 25 damage to the body, the rewards they will receive will be reduced by 95%.^[3] The chance to obtain the pet is reduced by the same amount.^[4]

The Hueycoatl drops a large lump of items upon death, and the share players receive from it is based on the player's total damage to the Hueycoatl. The MVP, the player who deals the most damage, gets a 10% increase to their drop share. The maximum quantity of a drop assumes that the player is soloing. Multiple players can independently roll uniques from a single kill.

Drop rates are estimated based on 88,030 samples from the Drop Rate Project, unless otherwise cited.

100%

	Item	Quantity	Rarity	Price	High Alch
	Big bones	1	Always^{[d 1]}	246	0

^ Big bones are only dropped for the MVP in the fight.

Unique

There is a 1/18 chance of rolling the unique drop table, from which an item is then rolled for. This chance is individual per player and is scaled by contribution.^[5]^[6] Uniques are dropped in addition to the main loot table.

Item	Quantity	Rarity	Price	High Alch
Dragon hunter wand	1	1/105	8,675,576	180,000
Hueycoatl hide	3	11/315	1,405,239	198
Tome of earth (empty)	1	1/90	675,192	12,000

Weapons and armour

Item	Quantity	Rarity	Price	High Alch
Rune mace	1–26 (noted)	3/68	8,302–215,852	8,640–224,640
Rune scimitar	1–20 (noted)	3/68	15,044–300,880	15,360–307,200
Rune plateskirt	1–20 (noted)	2/68	38,082–761,640	38,400–768,000
Adamant platebody	1–30 (noted)	3/68	9,440–283,200	9,984–299,520

Runes and ammunition

Item	Quantity	Rarity	Price	High Alch
Death rune	22–450	3/68	4,070–83,250	2,376–48,600
Earth rune	150–3,000	2/68	750–15,000	300–6,000
Cosmic rune	20–400	2/68	2,480–49,600	600–12,000
Nature rune	20–400	2/68	3,420–68,400	2,160–43,200

Seeds

Item	Quantity	Rarity	Price	High Alch
Lantadyme seed	3–60	2/68	339–6,780	15–300
Huasca seed	1–20	2/68	47,120–942,400	42–840
Toadflax seed	2–40	2/68	1,958–39,160	12–240
Torstol seed	1–20	2/68	15,463–309,260	42–840
Ranarr seed	1–20	2/68	28,028–560,560	30–600
Avantoe seed	1–20	3/68	356–7,120	4–80
Kwuarm seed	1–20	3/68	2,003–40,060	6–120

Other

Item	Quantity	Rarity	Price	High Alch
Soiled page	4–80	5/68	9,980–199,600	480–9,600
Adamant bolts(unf)	15–300	3/68	2,775–55,500	0
Air orb	4–80 (noted)	3/68	8,600–172,000	720–14,400
Raw shark	9–180 (noted)	3/68	6,462–129,240	918–18,360
Sunfire splinters	17–350	3/68	6,681–137,550	1,020–21,000
Sun-kissed bones	5–100 (noted)	3/68	Not sold	480–9,600
Dragon bones	2–40 (noted)	3/68	6,648–132,960	192–3,840
Adamantite ore	6–120 (noted)	2/68	3,240–64,800	1,440–28,800
Steel cannonball	60–1,200	3/68	16,320–326,400	180–3,600
Rune dart tip	6–120	2/68	5,688–113,760	630–12,600
Limpwurt root	10–200 (noted)	2/68	2,290–45,800	40–800

Tertiary

Item	Quantity	Rarity	Price	High Alch
Tooth half of key (moon key)	1	1/75^{[d 1]}	Not sold	60
Huberte	1	1/400^{[d 2]}	Not sold	N/A
Clue scroll (hard)	1	1/50^{[d 3]}^{[d 4]}	Not sold	12

^ Each player has around a 1/75 chance of getting the half of a key, regardless of participation.
^ The base rate of 1/400 is scaled by personal contribution to the kill.
^ The hard clue scroll drop rate increases to 1/47 after unlocking the hard Combat Achievements rewards tier.
^ Clue scrolls will drop as scroll boxes after the completion of X Marks the Spot.

Combat Achievements

There are 11 Combat Achievement tasks (totalling 41 points) available for The Hueycoatl.

Name	Description	Type	Tier	Comp%
You're a wizard	Kill the Hueycoatl using only earth spells.	Restriction	Medium (2 pts)	14.1%
Hueycoatl Champion	Kill the Hueycoatl once.	Kill Count	Medium (2 pts)	26.8%
I'm your son	Kill the Hueycoatl whilst wearing two pieces of Hueycoatl armour.	Restriction	Hard (3 pts)	7.7%
Pillar Lover	Kill the Hueycoatl whilst it is vulnerable.	Mechanical	Hard (3 pts)	21.2%
Hueycoatl Adept	Kill the Hueycoatl 10 times.	Kill Count	Hard (3 pts)	23.1%
Perfect Hueycoatl	Kill the Hueycoatl perfectly 5 times without leaving. To get a perfect kill, you must not take any avoidable damage from the Hueycoatl's lightning attack, tail slam attack or off-prayer projectile attacks.	Perfection	Elite (4 pts)	10.5%
Hueycoatl Veteran	Kill the Hueycoatl 25 times.	Kill Count	Elite (4 pts)	18.6%
Hueycoatl Speed-Trialist	Kill the Hueycoatl in 2:30	Speed	Elite (4 pts)	21.1%
Is it a bird?	Kill the Hueycoatl using only dragonbane weaponry.	Restriction	Master (5 pts)	11.3%
Hueycoatl Speed-Chaser	Kill the Hueycoatl in 2:30 with five or fewer players.	Speed	Master (5 pts)	8%
Hueycoatl Speed-Runner	Kill the Hueycoatl in 2:30 with three or fewer players.	Speed	Grandmaster (6 pts)	2.9%

Gallery

Concept art

Concept art of the Hueycoatl, by Mod Jerv.
Concept art of the Darkfrost, by Mod Jerv.
Concept art of the dwarves at the Darkfrost, by Mod Jerv.
Concept art of the Hueycoatl's rewards, by Mod Jerv.
Concept art of Huberte, by Mod Jerv.

Animations

Mod Hend showcasing the rigging for the barrier leading up to the summit.
Animation for the Hueycoatl's body moving out of the way onto the summit, by Mod Hend.
The Hueycoatl's idle animation, by Mod Harold.
The Hueycoatl's screeching animation, by Mod Harold.
The Hueycoatl's knockout animation, by Mod Harold.
The Hueycoatl's awakening animation, by Mod Harold.

Changes

Date	Changes
27 August 2025 (Update)	The drop rate of Tooth half of key (moon key) has been increased from 1/150 to 1/75. Hueycoatl private instances now properly adjust for player counts when participants leave, preventing full instances that would require everyone to leave and start a new instance to continue.
25 June 2025 (Update)	The tail's hitpoints has been reduced from 400 to 300. The drop rate of the dragon hunter wand has been doubled. The drop rate of Hueycoatl hide has been increased from 1/35 to 1/30, as well as always giving three hides when rolled. The chance to roll on the unique drop table has been increased from 1/23 to 1/18.
16 October 2024 (Update)	Combat Achievements were added for the boss.
9 October 2024 - 11 October 2024	Hotfix Hueycoatl hide drops are now unnoted.
9 October 2024 (Update)	Players can no longer use various stall techniques to prevent themselves from being swept down from the summit. An issue in which the player's personal best time wasn't being broadcast in the Clan Chat has been fixed. The quantity of soiled pages dropped has been increased from 1-30 to 30-80, and its drop rate has been increased from ~1/22 to ~1/13.6. The quantity of Hueycoatl hides dropped has been increased from 1 to 2-3, and its drop rate has been increased from ~1/70 to ~1/34.5.
2 October 2024 (Update)	Players can no longer attack the Hueycoatl's tail with Ranged from the arena entrance. The penalty for players who skip Phase 1 during the Hueycoatl fight, resulting in a significant reduction to their contribution value, has been increased further.
27 September 2024	Hotfix Limpwurt roots no longer drop unnoted.
27 September 2024 (Update)	Hotfix The Prayer Pillar mechanic will now remain active during the tail phase. Group Ironmen will no longer lose their prestige for kills with players outside of their group. Roughly doubled the quantity of all non-unique loot. Soiled pages have been moved off of the unique loot table and into 'regular' loot. Various lower-tier loot drops have been removed and replaced with higher-tier loot. The unfinished runite bolts drop was replaced with unfinished adamant bolts. Add messaging to let you know when your contribution is too low to obtain loot.

Trivia

The name Hueycoatl comes from the Nahuatl words HUĒI (meaning "big," "large," or "great") and CŌĀ-TL (meaning "snake" or "serpent"). Though the pronunciation would be a bit different. In Nahuatl, it'd be pronounced WAY-ee-koh-at͡ɬ. To pronounce the last sound, touch the tip of your tongue to the roof of your mouth, in an almost "th" sound, like when pronouncing Lletya.
The Hueycoatl was originally not intended to be draconic, but was made as such due to player feedback stating she looked like a dragon.^[7]

References

^ Old School RuneScape. ""We've Added A Dog With Fake Glasses and a Moustache" Varlamore Dev Diary" (in 02:04). YouTube video. 7 September 2024.
^ "Tales of the Old Ones: The Hueycoatl". Page 2. Old School RuneScape. "There lives a great and terrible monster known as the Hueycoatl. She spends all day digging for gold with her mighty claws."
^ Jagex. Mod Ash on Discord. Screenshot. 14 April 2025. Archived from the original on 8 March 2026. Mod Ash: "[Hey, do you know how much worse the contribution ends up being if you don't do the 25 damage to Hueycoatl Phase 1? How heavy is the penalty "fewer rewards"?] Looks like it scales the quantity down to 5% of what it would have been, or 1, whichever is greater - if I'm reading my colleagues' code correctly. As penalties go, that feels like quite a heavy one."
^ Jagex. Mod Ash on Discord. Screenshot. 15 April 2025. Archived from the original on 8 March 2026. Mod Ash: "Pet rate is impacted too, if you're seeing the "As you didn't damage the Hueycoatl's body enough" message."
^ "Wintertodt Updates & Varlamore Drop Rates". Old School RuneScape News. Jagex. 9 October 2024. Archived from the original.
^ "Summer Sweep Up: Combat". Old School RuneScape News. Jagex. 25 June 2025. Archived from the original.
^ "Group Boss - Varlamore: Part Two". Old School RuneScape News. Jagex. 15 May 2024. Archived from the original. "A lot of players looked at the mighty Hueycoatl and saw a 'dragon'. Now, this wasn't originally our intention, so the lore implications will still need to be worked out. However, with the changes to the Duelling Wand, it makes sense to introduce a matching weakness to the boss. Consequently, the Hueycoatl is now 'Draconic', and is weak to Dragonbane Weaponry - including the Duelling Wand."

The Hueycoatl

NPCs

	The Hueycoatl Hueycoatl body Hueycoatl tail
Darkfrost camp	Taala Marla Viero Guard Seer Worker Manauia

Rewards

	Dragon hunter wand Huasca seed Hueycoatl hide Soiled page Tome of earth Huberte
Hueycoatl hide armour	Coif Body Chaps Vambraces

Dragons and dragon-like races

Chromatic dragons

Metal dragons

Slayer monsters

Other

	Lava Frost Reanimated Revenant Crystalline Corrupted Fairy Colossal Wyrm
Bosses	Elvarg Galvek Great Olm King Black Dragon Vorkath The Hueycoatl
NPCs	Alvarg Hekala K'klik Mr. Mordaut
Dragonkin	Dragonkin (A Tail of Two Cats) Dragonkin (Dragon Slayer II) Forcae Garak Karuulm Kerapac Orthacas Sakirth Sithaph Skeka Strisath Zorgoth

Merodach

Bosses

World bosses

	The Hueycoatl Scurrius Giant Mole Deranged archaeologist Sarachnis Kalphite Queen Corporeal Beast Gemstone Crab
The Barrows Brothers	Ahrim the Blighted Karil the Tainted Dharok the Wretched Guthan the Infested Torag the Corrupted Verac the Defiled
The Dagannoth Kings	Dagannoth Prime Dagannoth Rex Dagannoth Supreme
God Wars Dungeon	Kree'arra Commander Zilyana General Graardor K'ril Tsutsaroth Nex
Moons of Peril	Eclipse Moon Blue Moon Blood Moon
The Wilderness bosses	Revenant maledictus Chaos Fanatic Crazy archaeologist Scorpia King Black Dragon Chaos Elemental Vet'ion (Calvar'ion) Venenatis (Spindel) Callisto (Artio)

Instanced bosses

	Amoxliatl Brutus (Demonic) Royal Titans (Branda the Fire Queen) (Eldric the Ice King) Zulrah Vorkath Phantom Muspah The Nightmare (Phosani's Nightmare) Yama Doom of Mokhaiotl Maggot King Mad Angel
Sporadic bosses	Obor Bryophyta The Mimic Hespori Skotizo
The Forgotten Four	The Leviathan The Whisperer Vardorvis Duke Sucellus

Slayer bosses

Minigame bosses

Skilling bosses

Raids

Chambers of Xeric	Tekton Vanguard Vespula Vasa Nistirio Muttadile Great Olm
Theatre of Blood	The Maiden of Sugadinti Pestilent Bloat Nylocas Vasilias Sotetseg Xarpus Verzik Vitur
Tombs of Amascut	Akkha Ba-Ba Kephri Zebak Tumeken's Warden Elidinis' Warden

Source site	Old School RuneScape Wiki
Canonical source	The Hueycoatl
Content license	CC BY-NC-SA 3.0
License status	declared
Picture	The Hueycoatl · file details