Onslaught

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.

Despite its description, Onslaught begins at 50-150% damage, with each hit increasing by 11-33%. Onslaught begins by draining 25% adrenaline per attack. When adrenaline reaches 0, onslaught will begin dealing damage to the caster, starting with 1/4 of the damage the caster deals towards their target. After 10 hits, each hit adds more damage, starting at 1000 and increasing by 1000 each time. Missed attacks will not drain any adrenaline or health from the user, but will count as an attempted attack when calculating the damage inflicted to the user. In situations where you can attack a target but inflict little to no damage (such as when attacking a Reflecting Jellyfish) you will still receive self-harm as if you had actually inflicted damage to your target.

Currently the only known methods of healing that does not interrupt Onslaught are the Vampyrism aura, Enhanced Excalibur, Prism of Loyalty, Great gunkan's passive healing effect if eaten right before using onslaught, or an Ice Asylum used by another player. Fortitude will also recover 2% of your maximum Life points every 6 seconds if active while using Onslaught.

Soul Split will not heal from any damage dealt by Onslaught. Drinking potions or eating food will interrupt the channel. Soul Link will not split self-harm damage and if you are healed via Soul Link, the Onslaught will stop. Immortality and Sign of life will revive players killed by the self-damage and 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 self-damage. Ring of life will teleport players when they fall below 10% maximum health. When used by another player, Heal Other will interrupt the channel.

The Ring of vigour and Invigorate auras have no effect on the adrenaline drained while using Onslaught. The buff granted by Meteor Strike, Tsunami or Incendiary Shot (10% bonus adrenaline gained on crit) as well as Inspiration aura will grant adrenaline during Onslaught.

Chinchompas and red chinchompas will allow Onslaught to deal area of effect damage; however, adrenaline/life points will be drained for every single target hit.

Trivia

 * 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 would therefore the ability would continue to go on without ever draining lifepoints or the overload timer.
 * Another glitch on release allowed users to use the Redemption prayer of the standard prayers, along with the Penance aura, in order to achieve an unlimited duration of Onslaught by preventing death.
 * 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 with a melee weapon from a distance the player will move into melee distance, but Onslaught will initiate then immediately interrupt after just one strike. 25% adrenaline will be drained for the one successful hit.