Rewind

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Rewind
Release									13 July 2015 (Update)
Members									Yes
Description									Defeat Yakamaru after defeating all of its images and then allowing it to consume a durable jellyfish.
RuneScore									25
Category									Combat
Subcategory									Liberation of Mazcab
Subsubcategory									Yakamaru
Combat Mastery tier									Elite
CombatScore									4
Requirements									None
Advanced data
Achievement ID									1777
Links									Achievements1777

Rewind is an achievement that requires the player to participate in a successful battle against Yakamaru where he consumes a Durable Jellyfish after all his images have been defeated.

Strategies

When the last Durable Jellyfish spawns, have one player tank it all the way to the end of the mirage phase. Lure it to melee distance of Yakamaru in the centre pool when the images are dead. Doing so when Yakamaru is at 50,000 or lower life points will result in him healing fully and resetting the entire fight, which includes poison tanking and fighting the images again.

Use Saradomin brews and defensive abilities to sustain lost life points, as supplies are likely to be depleted.

Update history

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!

• patch 19 May 2025 (Update):
  • Fixed a typo with the "Rewind" achievement description.
    • The word "Defeater" was corrected to "Defeat".

• hidden 17 February 2025 (Update):
  • RuneScore reduced from 60 to 25.
  • Description changed from "After defeating all of the images of Yakamaru, allow the boss to consume a durable jellyfish." to "Defeater Yakamaru after defeating all of its images and then allowing it to consume a durable jellyfish."

• update 17 February 2025 (Update):
  • This achievement was added to the Elite tier of the Combat Mastery achievements.

• update 13 July 2015 (Update):
  • Added to game.