One-off

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One-off
One-off (#546)
Released 17 April 2024 (Update)
Members Yes
Description Complete Wave 11 with either 'Red Flag', 'Dynamic Duo', or 'Doom II' active.
Tier Master
Monster Fortis Colosseum
Type Mechanical
League region Varlamore Varlamore
Advanced data
ID 546

One-off is a master combat achievement which requires the player to complete wave 11 of the Fortis Colosseum with either the 'Red Flag', 'Dynamic Duo', or 'Doom II' handicaps active.

Strategy

Of the three, Dynamic Duo is the least dangerous option, since mages are the easiest mobs to deal with overall. Red Flag will result in the minotaur being able to path around pillars and prevent it from being safespotted, while Doom II removes the ability to recover from mistakes with brews.

Wave 11 consists of a Fremennik warband, one Javelin Colossus, one Shockwave Colossus (two if Dynamic Duo), two manticores along with a minotaur and serpent shaman as reinforcements.

Other tasks

There are 13 Combat Achievement tasks (totalling 67 points) available for Fortis Colosseum.

NameDescriptionTypeTierComp%
DeniedComplete Wave 7 without the Minotaur ever healing other enemies.Mechanical Elite (4 pts)10.5%
FurballComplete Wave 4 without taking avoidable damage from a Manticore.Perfection Elite (4 pts)11.9%
I was here first!Kill a Jaguar Warrior using a Claw-type weapon special attack.Mechanical Elite (4 pts)6.1%
SportsmanshipDefeat Sol Heredit once.Kill Count Master (5 pts)9.5%
One-offComplete Wave 11 with either 'Red Flag', 'Dynamic Duo', or 'Doom II' active.Mechanical Master (5 pts)6%
Colosseum Speed-ChaserComplete the Colosseum with a total time of 28:00 or less.Speed Master (5 pts)2.8%
ShowboatingDefeat Sol Heredit after using Fortis Salute to the north, east, south and west of the arena while he is below 10% hitpoints.Mechanical Master (5 pts)1.2%
I Brought Mine TooDefeat Sol Heredit using only a Spear, Hasta or Halberd.Restriction Master (5 pts)2.2%
Colosseum Grand ChampionDefeat Sol Heredit 10 times.Kill Count Grandmaster (6 pts)1.9%
Slow Dancing in the SandDefeat Sol Heredit without running during the fight with him.Restriction Grandmaster (6 pts)1.2%
Perfect FootworkDefeat Sol Heredit without taking any damage from his Spear, Shield, Grapple or Triple Attack.Perfection Grandmaster (6 pts)3.3%
ReinforcementsDefeat Sol Heredit with "Bees II", "Quartet" and "Solarflare II" modifiers active.Mechanical Grandmaster (6 pts)1%
Colosseum Speed-RunnerComplete the Colosseum with a total time of 24:00 or less.Speed Grandmaster (6 pts)1.7%

Source

Content from the Old School RuneScape Wiki (operated by Weird Gloop), licensed under CC BY-NC-SA 3.0.

Source siteOld School RuneScape Wiki
Canonical sourceOne-off
Content licenseCC BY-NC-SA 3.0
License statusdeclared
PictureFortis Colosseum · file details

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