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The Leviathan: how to defeat it (Ironman guide)

Orb volleys blocked by the right prayer: blue Magic, green Missiles, orange Melee, rocks move. Each volley gets faster. Stun it with Shadow spells to hit its back; at 20% it enrages with the pathfinder.

⚔ Open in the interactive guide

The Leviathan

The Leviathan
Tier
Late
Combat level
798
Style
Ranged
Requirements
Desert Treasure II. Ranged 75+, crossbow with ruby bolts or Bowfa + Blowpipe for the enrage
Why kill it as an Ironman
Venator ring (ranged BIS), Leviathan's lure, Virtus.
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

Orb volleys blocked by the right prayer: blue Magic, green Missiles, orange Melee, rocks move. Each volley gets faster. Stun it with Shadow spells to hit its back; at 20% it enrages with the pathfinder.

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

⚠→🔄
Volleys
Blue = Protect from Magic (32), green = Missiles (24), orange = Melee (50), rocks = step off the shadow (25). From 3 ticks down to 1 tick with all 3 styles.
→
Bite
No warning if next to the pool (diagonals included). Mark those tiles and stay off them.
⚠→🚫
Roar and debris
At the end of each volley it roars (7 chip) and debris falls, one permanent on your tile: move 1 tile.
⚠→🚫
Stun
Any Shadow spell holds it 15 ticks: hit the wound on its back (ranged at least ~65% of max, magic double). Resets its sequence one step: use sparingly.
⚠→🚫
Specials
Lightning: run in a tight circle. Smoke: drops debris every tick and after 10 blasts (59): hide behind one. It alternates between the two.
⚠→🔄
Enrage 20%
At 180 HP the abyssal pathfinder spawns (north-west): stand in its 5x5 or your prayers fail; inside you have perfect accuracy (blowpipe). Attacks every 2 ticks, magic and ranged only.

Step by step

  1. Amulet of the Eye or GotR minigame teleport, Catalytic Guardian to the Scar (or Ring of shadows with the Scarred tablet).
  2. Ancients with Shadow Rush runes; pre-eat an anglerfish.
  3. Switch prayer by colour, step off rock shadows, never next to the pool.
  4. Debris east/west = Lightning first; north/south = Smoke first.
  5. Leave it near 20%, stun it and hit its back; in enrage run to the pathfinder and finish.

Key gear

Bow of FaerdhinenBow of FaerdhinenDragon crossbowDragon crossbowToxic blowpipeToxic blowpipeDragonfire wardDragonfire wardKaril's coifKaril's coifAva's assemblerAva's assemblerLightbearerLightbearer

Typical inventory

Ruby bolts (e)
Divine ranging potion(4)2
Prayer potion(4)4
Anglerfish2
Monkfish12
Divine rune pouch
Teleport to house (tablet)

Ruby bolts (e) · Divine ranging potion(4) x2 · Prayer potion(4) x4 · Anglerfish x2 · Monkfish x12 · Divine rune pouch · Teleport to house (tablet)

Ironman tips

  • 💡 Shadow Rush stuns just like Barrage at a third of the cost. Radius Markers: NPC ID 12220, range 1, to see the pathfinder's area.
  • 💡 Bowfa with crystal or Tbow avoid the ruby bolts' damage falloff; Zaryte crossbow has the best spec.

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