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Less-rabi
Defeat Moorabi in Gundrak on Heroic Difficulty while preventing him from transforming into a mammoth at any point during the encounter.
Less-rabi is a 10-point Heroic difficulty achievement earned by defeating Moorabi in Gundrak without allowing him to complete a single Transformation cast into mammoth form.
Enter Gundrak Heroic
Set Gundrak to Heroic difficulty and engage Moorabi. Do not use Bloodlust or Heroism during this fight, as the faster kill pace makes interrupting his Transformation casts significantly harder to time.
Understand Mojo Frenzy Scaling
Moorabi is permanently buffed with Mojo Frenzy, which reduces his Transformation cast time by roughly 1% for every 1% of health he loses — meaning the 4-second base cast shrinks to approximately 2 seconds at 50% health and 1 second at 25% health. The last cast that can be interrupted without serious difficulty occurs around 30–35% health.
Track Transformation Intervals
Start your in-game stopwatch when your tank pulls. Between 100% and 51% health, Moorabi casts Transformation every 10 seconds; between 50% and 0%, he casts every 5 seconds. Use the stopwatch to preempt each cast — for example, if the first cast lands at the 10-second mark, subsequent casts follow at :20, :30, then :35 and :40 once below 50%.
Use True Interrupts Only
Moorabi is immune to silence effects, so abilities like Strangulate will not stop his Transformation — only true interrupt abilities such as Mind Freeze function correctly. Assign every player with a true interrupt to cover the timed cast windows, rotating them across the fight.
Tips
See the video guide for a visual walkthrough of the interrupt timing rotation used in this fight.