Primal maul

The primal maul is the most powerful weapon in Runescape and is a members-only Dungeoneering weapon that can only be found in Daemonheim and is only dropped by Rammernaut on floor 18 or higher. It is the only primal weapon with a Strength level requirement, requiring a Strength level of 99 to wield. Additionally, it has the third highest crush bonus of any known weapon in the game (behind the sacred clay warhammer class 4 and 5) and currently maintains the highest strength bonus of any weapon. Like all primal weapons, this weapon lacks a special attack. The power of the Primal maul is only bested by that of the Anger sword and other Anger weapons which may only be used during the quest A Soul's Bane and in the "Brain Realm".

Being a Dungeoneering Weapon, it also cannot be used outside of the Dungeoneering skill. However, the chaotic maul, which CAN be used outside of Daemonheim, seems to be based upon the primal maul. It can be purchased with 200,000 Dungeoneering tokens and 80 Dungeoneering, and is stronger than a Godsword in terms of power.

The Primal Maul is a common weapon-bind for high level member dungeoneers, along with the Promethium and Primal 2h, due to its capability to hit very high damage and a high accuracy to go along with it.

With this weapon, a strong melee potion, a tier 10 Berserker ring, primal boots, primal gauntlets, a blood necklace, and a maxed Turmoil, the highest hit possible is 850 damage.

Dropping monsters

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Mauls vs 2h Swords
There has been much debate on which weapon is more powerful in Dungeoneering. The primal maul, being the strongest and (practically) most accurate melee weapon in the world of Runescape, seemed like a natural choice for anyone to bind. However, the maul lacks the ability to perform slashing attacks. While monsters like pickaxes, skeletons, spiders, forgotten warriors and brutes are weak to crush attacks of the maul, other monsters like zombies, forgotten mages, forgotten rangers, mysterious shade and many bosses are resistant against it. A 2h sword has the ability to perform slash and crush attacks in aggressive style. While one may argue that the immensely high accuracy of the maul should override anything, this is not true. This is because a normal monster like a forgotten mage easily has over 150+ crush defence, essentially nerfing the primal maul to having only 30+ crush attack or less. Therefore, being able to choose between various styles of attacks in always more beneficial in Daemonheim rather than being restricted to only one style.

Trivia

 * When bound the Primal Maul loses the (Tier 11) at the end of the examine info.
 * Although the Primal Maul is the strongest weapon in Dungeoneering, most players prefer to bind the Primal/Promethium 2h sword in conjunction with the melee class rings or the Primal/Promethium Spear, as the Primal Maul only has one attack style compared to the Primal/Promethium 2h's slash and crush styles, as forgotten mages have less than half the slash defence as crush defence, and the Spear's versatility of attack styles and ability to be poisoned.
 * The maul gives a -4 bonus to slash and stab attacks but it is impossible to use these styles of attack with this weapon, therefore the -4 bonus has essentially no effect.

Primal maul