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| Release date | 13 July 2015 (Update) |
|---|---|
| Members | Yes |
| Skill | Constitution |
| Level | 90 |
| Type | Ultimate |
| Adrenaline | −25% |
| Equipment | Any weapon |
| Cooldown | 120 seconds |
| Description | |
| Channel a powerful attack at your opponent starting at 33%-150% weapon damage, each channel adds 33% weapon damage to the max hit and takes 25% adrenaline. If you run out of adrenaline the ability will start damaging you for 25% of damage dealt as payment, adding 1000 base damage to this past 10 hits. | |
 Click animation for full size | |
Onslaught is a channelled ability, unlocked through Raids from either the untradeable Onslaught Ability Codex, or the tradeable Mazcab ability codex. As a Mazcab ability, Onslaught has a damage cap of 30,000 per hit.
Onslaught begins with a yellow visual effect and 33-150% ability damage - this increases by 11-33% per hit. The user initially pays 25% adrenaline per attack. When adrenaline reaches 0, the visual effect changes to orange, and the user pays with life points instead, starting with 25% of damage dealt. When the caster is at under half of their total life points, this effect changes to a red colour. 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 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.
The following will heal the user of Onslaught without interrupting the ability:
- Vampyrism aura
- Enhanced Excalibur
- Prism of Loyalty
- Great gunkan's passive healing effect, if eaten before casting Onslaught
- The effect of a blood necklace
- Ice Asylum, including one created by the user prior to starting Onslaught
- Both Vampyric blood essence active and passive effects, assuming the use of melee. The essence need not be activated prior to channelling Onslaught - activating during the channel works as well.
- Scrimshaw of vampyrism, assuming the use of melee.
- Fortitude will recover 2% of your maximum Life points every 6 seconds if active while using Onslaught.
- Redemption
- Snowy knight applied to the user by another player
The following will have no effect or will interrupt the ability:
- Soul Split will not heal the user, including damage over time effects (e.g. Corruption Shot) set prior to using Onslaught.
- Intercept will not transfer damage
- Drinking potions or eating food will interrupt the channel
- Soul Link will not split recoil damage, and being healed via Soul Link stops Onslaught
- Immortality and Sign of life will revive players killed by the recoil damage, and a phoenix necklace will heal them when they fall below 20% maximum life points, but Onslaught will be interrupted
- Portents of restoration will not be activated by Onslaught's recoil damage
- Ring of life will teleport players when they fall below 10% maximum health
- Being healed by Heal Other will interrupt the channel
The ring of vigour and Invigorate auras have no effect on the adrenaline drained while using Onslaught. All attacks done by Onslaught are critical hits, thus the buff granted by Meteor Strike, Tsunami or Incendiary Shot will grant adrenaline per attack during Onslaught - which grants 2 extra hits of Onslaught before life points are drained. For 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, or Sunshine. 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.
Onslaught automatically stops once the # of stacks in the buff bar reaches 26, even if you still have adrenaline left.
Trivia
- 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.
- 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.
- 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."
| Bosses |
 Beastmaster Durzag |
| Minions |
 Airut |
| Goebies |
 Armoursmith Fetcher Goebie |
| Rewards |
 Teci Lil' Tuzzy Durzag's helmet (Diddyzag) Yakamaru's helmet (Yakaminu) Goebie burial charm (Small • Large) |
| Abilities, Spell & Codex |
 Mazcab ability codex Corruption Blast (Codex) Corruption Shot (Codex) Onslaught (Codex) Storm Shards (Codex) Shatter (Codex) Mazcab Teleport (Codex) |
| Teralith equipment |
 Helmet (Achto) Cuirass (Achto) Leggings (Achto) Gauntlets (Achto) Boots (Achto) |
| Tempest equipment |
 Cowl (Achto) Body (Achto) Chaps (Achto) Gloves (Achto) Boots (Achto) |
| Primeval equipment |
 Mask (Achto) Robe top (Achto) Robe legs (Achto) Gloves (Achto) Boots (Achto) |
| Locations |
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| Music |
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| Miscellaneous |
 Plank |
