ES

Zulrah: how to defeat it (Ironman guide)

Solo snake with 3 forms: green (ranged), crimson (melee) and blue (magic). It follows 1 of 4 fixed rotations and moves each phase. Magic on green and crimson, ranged on blue; its attacks envenom.

⚔ Open in the interactive guide

Zulrah

Zulrah
Tier
Mid
Combat level
725
Style
Mixed
Requirements
Regicide. 75+ Magic / 80+ Ranged, anti-venom, Trident + Blowpipe/Bowfa
Why kill it as an Ironman
Toxic blowpipe, Magic fang (Toxic trident/SotD), Serpentine helm, Zul-andra teles, scales, herbs and runes. Gold source.
Loot
The live drop table (wiki rates) and the drop simulator are in the app. ⚔ Open in the interactive guide

Mechanics: what hits you and what to pray

Solo snake with 3 forms: green (ranged), crimson (melee) and blue (magic). It follows 1 of 4 fixed rotations and moves each phase. Magic on green and crimson, ranged on blue; its attacks envenom.

Left icon: what hits you. Right icon: what to pray.

→
Green form
Ranged: Protect from Missiles. Weak to magic (fire spells +50%).
→🚫
Crimson form
It stares at your tile and whips its tail: 20-30 and a stun. Move first or hide behind the pillar. Weak to magic.
→
Blue form
Magic and some ranged: Protect from Magic. Weak to ranged: Blowpipe or Bowfa.
⚠→🔄
Jad phase
Green west (rot 1-2, starts ranged) or east (rot 3-4, starts magic): alternates every attack. Swap prayer on each projectile; if unsure, just pray.
⚠→🚫
Snakelings
1 HP, hit up to 15. A Ring of recoil or suffering kills them. Don't pray against them if Zulrah is also attacking.
⚠→🚫
Venom clouds
3x3 areas dealing damage per tick (no venom). Position per phase; sometimes you must run through them.

Step by step

  1. Regicide. Zul-andra teleport or fairy ring BJS (76 Agility) and take the boat.
  2. It starts green in the middle filling the area with clouds, no attacks. Phase 2 tells the rotation: crimson = rot 1 or 2, green east = rot 3, blue east = rot 4. Learn on rot 3 (hop worlds otherwise).
  3. Follow the rotation chart and the wiki tile markers. Magic on green/crimson, ranged on blue, right prayer.
  4. Jad phase: swap prayer every attack. Kill snakelings with recoil while it hides.
  5. Kill it in the first rotation (~3 min): later ones get random. Its attacks still land after death: keep prayer and HP up.
  6. Reset at your POH Ornate pool or Ferox Enclave (Ring of dueling).

Key gear

Bow of FaerdhinenBow of FaerdhinenCrystal bodyCrystal bodyCrystal legsCrystal legsTrident of the SeasTrident of the SeasAhrim's robetopAhrim's robetopAva's assemblerAva's assemblerRing of recoilRing of recoil

Typical inventory

Anti-venom+(4)
Prayer potion(4)2
Ranging potion(4)
Cooked karambwan4
Shark10
Zul-andra teleport
Ring of dueling

Anti-venom+(4) · Prayer potion(4) x2 · Ranging potion(4) · Cooked karambwan x4 · Shark x10 · Zul-andra teleport · Ring of dueling

Ironman tips

  • 💡 Serpentine helm until you're consistent: venom immune and saves a slot (charged with scales).
  • 💡 Magic-only diary kill: 3 antipoisons instead of anti-venom, sip only to reduce venom to poison. Fire Wave + Tome of Fire hits very well at low level.
  • 💡 Damage to Zulrah is capped at 50. A Ring of suffering (ri) or Ring of recoil is almost mandatory.
  • 💡 With Bowfa and crystal armour you can range the whole fight with no magic switches: more room for supplies. The Zulrah RuneLite plugin shows rotation, prayer and position; use it until you have them memorised.

Wiki images and videos

Tap a video to play it. Source: OSRS Wiki (CC BY-NC-SA 3.0).

Guide summarised from the OSRS Wiki strategies (CC BY-NC-SA 3.0). Icons and images: OSRS Wiki. In the app: live drop table, drop simulator, map and Set builder with this boss as target.

Other bosses

Early

Mid

Late

Endgame