Osmumten's fang

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Osmumten's fang
Osmumten's fang.png
Released24 August 2022 (Update)
Quest itemNo
ExamineA deadly sword created long ago.
Value1,000,000 coins
High alch600,000 coins
Low alch400,000 coins
Weight1.814 kg
Grand Exchange
Exchange47,637,110 coins (info)
Buy limit8
Daily volume3,651
Advanced data
Item ID26219
Osmumten's fang detail.png

Osmumten's fang is a one-handed stab weapon obtained as a rare reward from the Tombs of Amascut. It was the weapon of Pharaoh Osmumten, who was a skilled hunter. It requires level 82 Attack to wield. A cursed phalanx can be attached to the fang to create Osmumten's fang (or), a cosmetic variant of the weapon.

The fang has two unique passive effects which aim to make it effective against targets with high Defence levels and more consistent overall: re-rolling accuracy on an unsuccessful hit and making damage rolls closer to the average. The special combat mechanics are described in more detail below. Like spears, halberds, and magic, the fang is also able to deal full damage to the Corporeal Beast.

Attack icon.png Attack bonusesOsmumten's fang equipped male.pngOsmumten's fang equipped female.png
White dagger.pngWhite scimitar.pngWhite warhammer.pngMagic icon.pngRanged icon.png
Defence icon.png Defence bonuses
White dagger.pngWhite scimitar.pngWhite warhammer.pngMagic icon.pngRanged icon.png
Melee.png Other bonusesSlot
Strength icon.pngRanged Strength icon.pngMagic Damage icon.pngPrayer icon.pngWeapon slot.png
Base attack speedRange
Monster attack speed 5.png1

Combat styles[edit | edit source]

Category: Stab SwordCombat StyleStyle typeWeapon StyleExperienceInvisible Boost
CombatStyles Stab Sword.pngStabStabAccurateAttack and Hitpoints+3 Attack
LungeStabAggressiveStrength and Hitpoints+3 Strength
SlashSlashAggressiveStrength and Hitpoints+3 Strength
BlockStabDefensiveDefence and Hitpoints+3 Defence

Passive effects[edit | edit source]

A player attacks an opponent with Osmumten's fang.

Osmumten's fang has two passive effects, where it behaves differently at both stages of an attack. That is, when determining if a successful hit has occurred, and then how much damage is applied.

Successful hit chance[edit | edit source]

The first effect concerns the probability of landing a successful hit on an opponent, which differs depending on whether the weapon is used within or outside of the Tombs of Amascut raid.[1] Within the raid, this check is performed using the standard mechanics, but is repeated; if either check succeeds, a successful hit has been made.

When determining if the attack lands outside the raid, two independent accuracy rolls are made and if either is higher than the opponent's defence roll, the attack succeeds. To calculate the exact probability, the following formula can be used (where represents your maximum attack roll and represents the opponent's maximum defence roll):

Damage calculation[edit | edit source]

The second effect involves using a different formula to determine damage rolls; unlike other weapons that roll between zero and the maximum hit of the player upon a successful hit, the fang will instead always deal between 15% and 85% of the maximum hit upon a successful hit, except when making use of the weapon's special attack. For example, if the fang's true max hit was 60, it would roll between 9 and 51 instead of 0 and 60 (inclusive) damage upon a successful hit. While this effect does not increase the expected damage per second, it does have the effect of lowering the overall variance of the damage output.

Special attack[edit | edit source]

A player performing Osmumten's fang's special attack, Eviscerate.

Osmumten's fang has a special attack, Eviscerate, which consumes 25% of the player's special attack energy. The attack provides a 50% increase to accuracy for the next hit, and uses the fang's true max hit when determining damage rolls. For example, if the fang's true max hit was 60, it would roll between 9 to 60 damage upon a successful hit, rather than the usual 9 to 51 damage it would normally roll.

The fang currently samples the brine sabre special attack animation. Despite the animation, it rolls against the opponent's stab defence if the attack style is set to stab.

Products[edit | edit source]

Osmumten's fang (or).pngOsmumten's fang (or)
Member icon.png
  • None
  • None

Item sources[edit | edit source]

For an exhaustive list of all known sources for this item, see here.
Chest (Tombs of Amascut)N/A Casket.png17/24

Used in recommended equipment[edit | edit source]

1Abyssal Sire/Strategies (Melee)
1Adamant dragon/Strategies (Melee)
2Ancient Wyvern/Strategies (Melee)
1Ancient Wyvern/Strategies (Prayer)
2Basilisk Knight/Strategies (Melee)
2Callisto/Strategies (Melee)
4Cerberus/Strategies (Melee)
3Chambers of Xeric/Challenge Mode (Melee)
3Chambers of Xeric/Challenge Mode/Strategies (Tekton)
2Chaos Elemental/Strategies (Melee)
2Chaos Elemental/Strategies (Melee (Anti-magic))
2Corporeal Beast/Strategies (Solo melee)
1Corporeal Beast/Strategies (Team melee)
2Corporeal Beast/Strategies (Fewer stat drains)
2Corporeal Beast/Strategies (Void)
1Corporeal Beast/Strategies (Melee masses)
2Drake/Strategies (Melee)
1General Graardor/Strategies (Advanced Tank)
1General Graardor/Strategies (Solo (Melee))
1General Graardor/Strategies (Melee Attacker)
1Giant Mole/Strategies (Melee)
2K'ril Tsutsaroth/Strategies (Solo Melee)
2K'ril Tsutsaroth/Strategies (Melee attacker)
2Metal dragons/Strategies (Melee)
2Mithril dragon/Strategies (Melee)
2Rune dragon/Strategies (Melee)
3Sarachnis/Strategies (Melee)
2Skeletal Wyvern/Strategies (Melee)
3Skotizo/Strategies (Melee)
2Theatre of Blood/Strategies (Melee DPS)
2Theatre of Blood/Strategies (Freezer)
2Theatre of Blood/Strategies (Learner)
2Theatre of Blood/Strategies (Ranger)
2Thermonuclear smoke devil/Strategies (Melee)
1Tombs of Amascut/Strategies (Melee switch)
1Tombs of Amascut/Strategies (Kephri)
1Tombs of Amascut/Strategies (Akkha)
1Tombs of Amascut/Strategies (Ba-Ba)
1Ultimate Ironman Guide/Equipment
2Vorkath/Strategies (Melee)

Changes[edit | edit source]

Date Changes
11 January 2023

The item has been added to the Grand Exchange's item sink list.

31 October 2022
  • The fang will now only re-roll the player's accuracy roll, rather than re-rolling both accuracy and the monster's defence outside the Tombs of Amascut, due to it being vastly superior compared to other melee weapons even in super effective situations (e.g dragon hunter lance against dragons).
1 September 2022
  • The fang should now distribute damage accordingly rather than 'clamping' damage at the lowest hits.
  • The Masori mask no longer has any graphical issues when worn with Osmumten's fang.

Gallery[edit | edit source]

References[edit | edit source]

  1. ^ Jagex. OldSchoolRS's Twitter account. 31 Oc. Archived from the original on 31 October 2022. OldSchoolRS: "Whilst within the tombs, the previous behaviour of rolling both the player's accuracy and the monster's defence will apply, as it did before today's change."