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Acheron mammoth

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This article is about the monster. For the cosmetic outfit, see Elite Mammoth Armour.
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Acheron mammoth icon

Acheron mammoths are level 96 Slayer monsters. They were first revealed at RuneFest 2015, after being pitched on RuneLabs and being one of the November poll winners. They drop mammoth tusks, which can be used to make the level 99 Summoning pack mammoth Beast of Burden pouch.


Several Acheron mammoths inhabit an iceberg that has been separated from Acheron, far north of the Fremennik Province. This can be reached by using the large Fremennik ship on the pier north-east of Rellekka (left-click on the ship on the west side of the pier: "Travel Fremennik ship"; do not use the boat on the east side of the pier), near the rock crabs.


Acheron mammoths utilise adrenaline and can use the abilities Smash, Sever, Freedom, and Pulverise along with a basic melee autoattack. When using Freedom, mammoths will announce it by shouting "Freedom!" However, their Freedom does not cancel bleeds.

They have a ranged attack where they will grab a chunk of ice from the ground with their trunk and launch it at the player's last location. This attack can deal over 3600 damage. If the player moves just as the ice chunk falls to the player's last position was thrown, they will take damage. The mammoth can still attack while preparing it. There is also a prayer disabling variant (see below) of this attack if it is met, which launches three rocks in a wide radius around the player's location. Although it may be slow, the mammoth's ranged attacks can deal much more damage than their normal melee attacks and should be avoided.

They will stomp challengers that get under them for upwards of 3800 damage, with a bright red message in the game box stating that they have stomped you. They can also disable prayers via special mechanic. This occurs when you attack the mammoth and prevent it from attacking you. When this happens, a message will appear in the game box stating "Your dishonourable misconduct angers the gods, who refuse to listen to your prayers any longer."

When fighting using Ranged or Magic attacks, mammoths will continuously use a ranged stunning attack. This will cause your run energy to be depleted, along with the deactivation of your prayers and a 5 second freeze. Freedom and Anticipation work against this freeze. It is recommended to fight them with melee so this attack does not occur.

Charge attackEdit

Occasionally, the mammoths will stop attacking and have a charge-like animation. In addition, a blue bar will appear above the mammoth and fill up within 5 seconds. As the info bar may block the view of the blue bar, it is advised to move it away from the screen and put it somewhere that can be easily seen but not affect your interface. When the blue bar is filled, the mammoth will charge at your last position up to three times in a row, dealing up to 8000 damage per charge. The player should be extremely careful if they use Berserk, as the mammoth can potentially kill the player in one charge if the damage is completely taken.

The mammoth is still vulnerable to attacks during this time, so if its health is low enough, players can kill the mammoth before it can charge again. The charge attack does standard melee damage, so it has a chance of missing, and is affected by protect/deflect melee.

The charge is a simple area of effect attack. Moving out of the mammoth's path when it charges will avoid all damage. A simple way to avoid this is to run perpendicular to its path as it is about to charge. The mammoth's initial location does not appear to be part of the charge path.
Activating Protect from or Deflect Melee and using the Devotion ability will reduce damage from the attack completely. The 10-second timer of Devotion is long enough to last 3 consecutive charges.
Tanking and healing
With a shield available, the first charge can be tanked as a normal attack, and after equipping your shield, Resonance can be used to provide high heals to restore lost life points. This method has its downsides, however. There is no lower limit to the damage the charge can deal, so it is possible, for example, to take a 6,000-damage hit and then heal for only 500 life points.
If a mammoth performs a third charge, this will need to be avoided another way, advisably by simply running out of its path. If after the second charge you have full life points, you can also opt to simply endure this third hit; this may be risky if the attack hits too high.
Stunning the mammoth during its charge will delay the attack. While mammoths have the ability to escape the stun, they will take a moment to recuperate before continuing to build for the attack. Stunning the mammoth with abilities such as Destroy can provide extra thinking time to prepare to dodge or counter the attack. If the mammoth's life points are low enough, it can also kill the mammoth before it has a chance to attack.

Starting a fightEdit

When initiating a fight with an Acheron mammoth, the player automatically says one of the following lines:

  • En garde!
  • Good sir, I challenge you to a duel.
  • I challenge thee to a duel.
  • I mock your ancestors!
  • I'd throw down my gloves, but they're rather pricey.
  • Let's do this!
  • Mammoth! I challenge you!
  • Manners maketh man
  • Round one: FIGHT!

The mammoth will then respond with one of their lines respective to what the player said:

  • That's my job!
  • Ahaa as you wish.
  • I accept your challenge! or My name is...
  • I'm sorry you feel the need to throw your life away.
  • Yours are not even worthy of that.
  • You're going to need them to defeat me!
  • I trust you have a good note about how your remains will be handled?
  • Prepare to join your ancestors!
  • Are we going to stand here talking, or are we going to fight?
  • Erm... yes?

Named mammothsEdit

Occasionally, mammoths will initiate fights by saying "My name is <name>!" When this happens, it will also change their name label to the name they said.

Known names include:

  • Anthony
  • Ashley
  • Daniel
  • Henrik
  • James
  • Liam
  • Luke
  • Nils
  • Thomas
  • Wing


100% dropsEdit

Item Quantity Rarity GE price
Big bonesBig bones2Always714


No charmGold charmGreen charmCrimson charmBlue charm
Represents a 90% confidence range.
Based on a sample of 200 kills.
4 charms are dropped at a time.
Add data to the log
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Main dropEdit

Item Quantity Rarity GE price
Adamantite oreAdamantite ore9–16 (noted)Common11,655–20,720
Mud runeMud rune20–40Common14,420–28,840
Water talismanWater talisman3–5 (noted)Common17,166–28,610
Water orbWater orb8–12 (noted)Common20,280–30,420
Mahogany logsMahogany logs20–40 (noted)Uncommon9,340–18,680
Blue dragonhideBlue dragonhide5–19 (noted)Uncommon12,390–47,082
Onyx bolt tips 5Onyx bolt tips3–9Uncommon21,645–64,935
Uncut diamondUncut diamond6–10 (noted)Uncommon23,556–39,260
Rune kiteshieldRune kiteshield1Uncommon30,937
Dragon longswordDragon longsword1Uncommon57,511
Rune platebodyRune platebody1Rare37,590
Unicorn hornUnicorn horn10–14 (noted)Rare18,590–26,026
Raw sharkRaw shark15–25 (noted)Rare15,480–25,800
Adamant barAdamant bar10–15 (noted)Rare23,610–35,415
Dragon arrowheads 5Dragon arrowheads30–50Rare9,000–15,000
Rare drop tableRare drop table1RareNot sold


Item Quantity Rarity GE price
Mammoth tuskMammoth tusk1Uncommon143,805
Clue scroll (hard)Clue scroll (hard)1RareNot sold
Clue scroll (elite)Clue scroll (elite)1RareNot sold
Raptor key part 4Raptor key part 41Very rare[1]Not sold
  1. ^ Can only be dropped during a task

Rare drop tableEdit

This monster has access to the rare drop table.
A ring of wealth, luck potion or collector's insignia are not required to access the table.
Show/hide rare drop table
Item Quantity Rarity GE price
Coins 1000Coins250–500; 3,000Common250–3,000
Uncut sapphireUncut sapphire1Common871
Uncut emeraldUncut emerald1Common1,591
Uncut rubyUncut ruby1Common2,555
Uncut diamondUncut diamond1Common3,926
Uncut diamondUncut diamond45–55 (noted)Rare176,670–215,930
Loop half of a keyLoop half of a key1Common17,802
Tooth half of a keyTooth half of a key1Common25,172
Uncut dragonstoneUncut dragonstone1Uncommon11,874
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare534,330–653,070
Dragon longswordDragon longsword1Common57,511
Dragon spearDragon spear1Rare36,254
BattlestaffBattlestaff180–220 (noted)Rare1,267,020–1,548,580
Rune javelinRune javelin5Rare915
Rune platebodyRune platebody1Uncommon37,590
Rune platebodyRune platebody15–25 (noted)Rare563,850–939,750
Shield left halfShield left half1Rare63,809
Dragon helmDragon helm1Uncommon58,504
Rune arrowheads 5Rune arrowheads113–137Common19,436–23,564
Onyx bolts 5Onyx bolts135–165Very rare1,078,920–1,318,680
Vecna skullVecna skull1Very rare71,285
Chaos talismanChaos talisman1Rare1,141
Nature talismanNature talisman1Rare991
Water talismanWater talisman65–82 (noted)Rare371,930–469,204
Earth talismanEarth talisman65–82 (noted)Rare109,980–138,744
Fire talismanFire talisman25–35 (noted)Rare37,575–52,605
Raw lobsterRaw lobster135–165 (noted)Common13,500–16,500
Raw sharkRaw shark225–275 (noted)Uncommon232,200–283,800
Big bonesBig bones72–90 (noted)Uncommon25,704–32,130
Dragon bonesDragon bones180–220 (noted)Rare293,580–358,820
CoalCoal200–1,100 (noted)Uncommon36,200–199,100
Gold oreGold ore90–110 (noted)Common13,230–16,170
Adamantite oreAdamantite ore180–220 (noted)Uncommon233,100–284,900
Adamant barAdamant bar14–16 (noted)Common33,054–37,776
Adamant barAdamant bar135–165 (noted)Rare318,735–389,565
Runite oreRunite ore90–110 (noted)Rare1,036,080–1,266,320
Rune barRune bar(noted)Common41,994
Rune barRune bar45–55 (noted)Rare629,910–769,890
Grimy torstolGrimy torstol90–110 (noted)Uncommon387,720–473,880
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon357,030–436,370
Super restore (4)Super restore (4)45–55 (noted)Uncommon223,875–273,625
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon144,045–176,055
Lantadyme seed 5Lantadyme seed14–16Uncommon13,762–15,728
Dwarf weed seed 5Dwarf weed seed14–16Uncommon14,028–16,032
Magic seed 5Magic seed4Uncommon478,572
Palm tree seed 5Palm tree seed10Rare1,715,220
FlaxFlax450–550 (noted)Common4,500–5,500
Molten glassMolten glass45–55 (noted)Common9,990–12,210
Soft claySoft clay450–550 (noted)Uncommon177,750–217,250
Yew logsYew logs68–82Uncommon12,648–15,252
Yew logsYew logs675–825 (noted)Rare125,550–153,450
Teak plankTeak plank45–55 (noted)Uncommon28,845–35,255
Mahogany plankMahogany plank270–330 (noted)Rare566,190–692,010
Brawling gloves (Melee)Brawling gloves (Melee)1Very rareNot sold
Brawling gloves (Magic)Brawling gloves (Magic)1Very rareNot sold
Brawling gloves (Ranged)Brawling gloves (Ranged)1Very rareNot sold
Brawling gloves (Agility)Brawling gloves (Agility)1Very rareNot sold
Brawling gloves (Cooking)Brawling gloves (Cooking)1Very rareNot sold
Brawling gloves (FM)Brawling gloves (FM)1Very rareNot sold
Brawling gloves (Fishing)Brawling gloves (Fishing)1Very rareNot sold
Brawling gloves (Hunter)Brawling gloves (Hunter)1Very rareNot sold
Brawling gloves (Mining)Brawling gloves (Mining)1Very rareNot sold
Brawling gloves (Prayer)Brawling gloves (Prayer)1Very rareNot sold
Brawling gloves (Smithing)Brawling gloves (Smithing)1Very rareNot sold
Brawling gloves (Thieving)Brawling gloves (Thieving)1Very rareNot sold
Brawling gloves (WC)Brawling gloves (WC)1Very rareNot sold
Crystal triskelion fragment 1Crystal triskelion fragment 11Very rareNot sold
Crystal triskelion fragment 2Crystal triskelion fragment 21Very rareNot sold
Crystal triskelion fragment 3Crystal triskelion fragment 31Very rareNot sold

Universal dropsEdit

Universal drops are dropped by nearly every monster outside of Daemonheim.
These drops are dropped alongside main drops.
Item Quantity Rarity GE price
Key tokenKey token1RareNot sold


Mammoth Unused Model

The original, unused model of the mammoth from 2004; it makes an appearance in Old School RuneScape.

Elite Mobs concept art - Mammoth

Concept art for an Acheron mammoth and its elite version

  • Acheron mammoths were first mentioned in 2004 in a Behind the Scenes article as a future update, alongside the Lizardmen and many other updates, most of which made it into the game. A model was nevertheless made for them, although it was ultimately unused, only eventually appearing as a monster as part of Old School RuneScape's Wilderness Rejuvenation and first birthday celebration.
  • They make small appearance in player-owned ports, as a Mammoth Head can be built at an icon hotspot.
  • The Mammoth was an option in a guaranteed content poll on 28 April 2008. It was a possibility for one of the future summoning familiars, although it was outvoted by the phoenix.
  • "Manners maketh man" and the reply "Are we going to stand here talking, or are we going to fight?" are a reference to the film Kingsman: The Secret Service.
  • "Round One: FIGHT!" may possibly be a reference to the Mortal Kombat series.

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