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Survivors Builds

Zone 13 · The Scourge Invasion

Naxxramas

Five scheduled encounters lead to Kel'Thuzad. Use the timeline for arrival order, then open any boss for its full action and phase profile.

v0.141.0 Base values Checked 2026-11-05

Zone guide

How to clear Naxxramas

The Scourge Invasion · Zone 13 of 13 · 5 scheduled encounters

Before you enter

Unlock
Defeat C'Thun in Gates of Ahn'Qiraj
Arrival window
04:00 – 20:00
Bosses
5

New in this zone

Every attack type recorded in Naxxramas also appears in an earlier zone.

Fastest warnings

Preparation tips

  • Sidestep movement is enough; save a dash for combos that chain two lines 1.1 s apart. Inferred from game data — not yet verified in game
  • Instant movement is worth more than a long defensive cooldown here; the combo punishes standing still between steps. Inferred from game data — not yet verified in game
  • Ranged builds can keep a clean side of the arena; melee builds should move the boss before the next placement. Inferred from game data — not yet verified in game
  • Area damage pays for itself here: one clear per wave beats single-target cleanup.
  • A short dash helps you step away from the pack without dropping damage.

Preparation tips are collected from the build tips recorded for this zone's attack types.

Encounter order

Five bosses in arrival order, each with the attack to watch for: the shortest warning, or the shortest interval when no warning is recorded.

  1. 04:00 Anub'Rekhan 4,600 HP

    Watch for Persistent hazard — 1 s warning
    Place the new hazard away from your current path, then fight around it instead of kiting through it. On a 10 s cycle the arena fills fast, so keep one side clear. Inferred from game data — not yet verified in game

  2. 08:00 Noth the Plaguebringer 11,500 HP

    Watch for Circle around the boss — 1.3 s warning
    When the warning appears, step out of the area around the boss and wait for the hit before re-entering melee. A 7 s cycle leaves little time to finish a long cast.

  3. 12:00 Patchwerk 21,000 HP

    Watch for Frontal cone — 0.9 s warning
    Use the warning to step through the boss's side or behind it; walking straight back keeps you in the cone longer. Re-enter after the telegraph resolves. Inferred from game data — not yet verified in game

  4. 16:00 Sapphiron 26,000 HP

    Watch for Scattered circles — 1.4 s warning
    Find the largest gap before the warning ends and commit to it; do not weave between circles at the last moment. With eight circles, move early rather than react.

  5. 20:00 Kel'Thuzad 58,500 HP

    Watch for Circle around the boss — 1.3 s warning
    When the warning appears, step out of the area around the boss and wait for the hit before re-entering melee. A 7 s cycle leaves little time to finish a long cast.

Suggested classes

The three safest first-clear grades in the site's class ranking.

Paladin First clear S Druid First clear S Hunter First clear A

Based on the site's first-clear class ranking, not zone-specific testing.

Next zone

Naxxramas is the final zone in the 13-zone route. No next zone is recorded.

Unlock
Defeat C'Thun in Gates of Ahn'Qiraj
Final boss
Kel'Thuzad · 20:00
Encounter themes
Scourge · abominations · lieutenants
Next zone
End of the 13-zone route

Boss arrival timeline

Times start when the run begins. Arrival starts the encounter; it does not count as a clear.

All 65 bosses
04:00 Encounter 1 Anub'Rekhan Frontal line attack · Action sequence · Persistent hazard · Summon 4,600 HP 28 hit 08:00 Encounter 2 Noth the Plaguebringer Projectile volley · Circle at the target · Action sequence · Summon 11,500 HP 36 hit 12:00 Encounter 3 Patchwerk Frontal cone · Frontal line attack · Circle around the boss · Charge · Summon 21,000 HP 46 hit 16:00 Encounter 4 Sapphiron Scattered circles · Projectile volley · Tether · Marked circle · Summon 26,000 HP 54 hit 20:00 Final boss Kel'Thuzad Projectile volley · Delayed blast · Action sequence · Crossing lines · Circle at the target · Bomb on the player · Summon 58,500 HP 66 hit Final

Boss pressure map

Compare each encounter's warning types before entering the run.

04:00 · Encounter 1

Anub'Rekhan

4,600 HP
Frontal line attackAction sequencePersistent hazardSummon

28 base hit · 5.8 base move speed

08:00 · Encounter 2

Noth the Plaguebringer

11,500 HP
Projectile volleyCircle at the targetAction sequenceSummon

36 base hit · 5.6 base move speed · 1 health phase

12:00 · Encounter 3

Patchwerk

21,000 HP
Frontal coneFrontal line attackCircle around the bossChargeSummon

46 base hit · 5 base move speed

16:00 · Encounter 4

Sapphiron

26,000 HP
Scattered circlesProjectile volleyTetherMarked circleSummon

54 base hit · 5.8 base move speed · 1 health phase

20:00 · Final boss

Kel'Thuzad

58,500 HP
Projectile volleyDelayed blastAction sequenceCrossing linesCircle at the targetBomb on the playerSummon

66 base hit · 5.8 base move speed · 3 health phases

Loot linked to this zone

Each encounter is tied to the equipment records that name it as a drop source.

Search equipment

Anub'Rekhan

Noth the Plaguebringer

Patchwerk

Sapphiron

Kel'Thuzad

Base stats and attack parameters can change with difficulty, party size, progress and later game updates. This page records the v0.141.0 data checked on 2026-11-05.