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Onslaught is a channelled Constitution ability, unlocked through Raids from either the untradeable Onslaught Ability Codex, or the tradeable Mazcab ability codex. It requires level 90 Constitution to use. Onslaught has a damage cap of 30,000 per hit.

Mechanics[edit | edit source]

Onslaught starts with a yellow visual effect and 49.5%–150% ability damage, increasing by 11–33% per hit. The user initially pays 25% adrenaline per attack. When adrenaline reaches 0–24%, the visual effect changes to orange, and the user pays with life points instead, starting with 25% of damage dealt. If a player only has 1–24% adrenaline remaining, it will both be drained and the player will still take damage.

The damage dealt to the caster is increased by 1,000 per attack past 10 hits (if the 12th attack dealt 10,000 damage, the caster paid 4,500 health). The visual effect turns orange when damage starts to be taken and red when the user's health is under 50% (does not always seem to turn red when receiving healing, even though health is under 50%).

The user does not pay for missed attacks, but missed attacks are still counted as attacks for the purposes of calculating damage increase and payment. In most situations where the target takes modified damage (a Reflecting Jellyfish takes 0% damage, and the Mahjarrat aura causes the caster to deal 105% damage) the caster receives recoil damage as if they had inflicted 100% damage to the target.

Onslaught automatically stops once the number of stacks in the buff bar reaches 25 (for a maximum total of 26 hits), even if the player still has adrenaline left.

Table of Onslaught hit damage ranges
Hit Minimum Maximum Hit Minimum Maximum
1 49.5% 150.0% 14 191.0% 579.0%
2 60.3% 183.0% 15 201.9% 612.0%
3 71.2% 216.0% 16 212.8% 645.0%
4 82.1% 249.0% 17 223.7% 678.0%
5 93.0% 282.0% 18 234.6% 711.0%
6 103.9% 315.0% 19 245.5% 744.0%
7 114.8% 348.0% 20 256.4% 777.0%
8 125.7% 381.0% 21 267.3% 810.0%
9 136.6% 414.0% 22 278.1% 843.0%
10 147.5% 447.0% 23 289.0% 876.0%
11 158.4% 480.0% 24 299.9% 909.0%
12 169.2% 513.0% 25 310.8% 942.0%
13 180.1% 546.0% 26 321.7% 975.0%

Interactions[edit | edit source]

The ring of vigour and Invigorate auras have no effect on the adrenaline drained while using Onslaught. Onslaught cannot land natural critical hits. This means that the only way for Onslaught to land critical hits is through forced critical hit interactions, such as from Biting or Erethdor's grimoire; however, this only works if the player is boosted by a damage boosting prayer (such as Affliction) or has their stats boosted (such as from an overload potion). For the Inspiration aura, the bonus adrenaline will be immediate drained along with damage being taken on the 5th hit (i.e. the damage is not delayed). In both cases, further critical hits of Onslaught do not generate any adrenaline once recoil damage starts to be taken.

Onslaught is unaffected by Berserk, Death's Swiftness, Sunshine, Metamorphosis, and the invention perks Precise and Equilibrium, but is affected by the (superior) scrimshaw of the elements and the (superior) scrimshaw of cruelty.

Chinchompas, red chinchompas, and mechanised chinchompas will allow Onslaught to deal area of effect damage; however, adrenaline/life points will be drained for every single target hit. Additionally, a defender's special effect can reduce or negate recoil damage dealt by Onslaught.

Healing[edit | edit source]

The following will heal the user of Onslaught without interrupting the ability:

The following will have no effect or will interrupt the ability:

Achievements[edit | edit source]

Update history[edit | edit source]

This information has been compiled as part of the update history project. Some updates may not be included—see here for how to help out!
  • hotfix 28 July 2021:
    • Fixed an issue regarding the Onslaught ability and its tendency to deal a critical hit with every attack.[1]
  • coldfix 5 December 2017 (Update):
    • The onslaught buff icon now disappears after dying with the ability active.
  • patch 1 February 2016 (Update):
    • Onslaught is now cancelled if the player activates a constitution crystal within the Fight Kiln.
  • patch 14 December 2015 (Update):
    • The damage dealt to you when performing the Surging Onslaught ability has been modified.
    • The overload drain when performing the Surging Onslaught ability has been removed.

Trivia[edit | edit source]

  • Until 14 December 2015, once adrenaline was drained, Onslaught would drain overload timers as well as life points.
    • Until the above update, Onslaught dealt recoil damage equal to half the player's remaining life points with a minimum of 1,000 per hit. When used with chinchompas, if at least two targets are hit, it will damage the player by half of their health twice at the same time, killing the player instantly.
  • On release, a glitch involving the inspiration aura, which gives a small amount of adrenaline with every successful hit, was found. As Onslaught hits once every time it drains adrenaline, the player would gain a small amount of adrenaline every time it fell to 0 and therefore the ability would continue to go on without ever draining lifepoints.
  • Another glitch on release allowed users to use the Redemption, along with the Penance aura, in order to achieve an unlimited duration of Onslaught by preventing death. It is no longer possible as Redemption now has a 1 minute cooldown.
  • A third glitch causes players using Onslaught to be stuck in the animation upon interrupting the channel. This has yet to be fixed but a player can simply move to get out of it.
  • If using Onslaught while the player in the middle of movement, Onslaught will initiate then be immediately interrupted by the player's movement after just one strike. 25% adrenaline will be drained for the one successful hit. The buff bar would keep displaying 1 stack of Onslaught even if you aren't using it any more.
  • During development and in the news post, this ability was called Surging Onslaught. This can still be seen by attempting to use the ability (if it was accessed through a shared ability bar for instance) without it unlocked, giving the chat message: "You have not unlocked Surging Onslaught yet. You can unlock it by getting it as a drop in raids or buying it from another player."
  • Onslaught is potentially the strongest ability in terms of ability damage, maximising at 975%. However, the likelihood of this happening is extremely low.

References[edit | edit source]

  1. ^ Jagex. Mod Ramen's Twitter account. 27 July 2021. (Archived from the original on 28 July 2021.) Mod Ramen: "We also investigated and fixed an issue regarding the Onslaught ability and its tendency to crit with every hit."