How to Get Surtur's Sword

Surtur's Sword Twilight Sword guide in Thanos Simulator

Surtur's Sword (Twilight Sword) is the reward for defeating Surtur in the Catacombs. This multi-stage guide covers every step from the Heart of Ymir placement to the final fire giant boss fight.

Prerequisites

Phase 1: True Catacombs

  1. Use Snap of Ymir to freeze lava in the Catacombs upper section.
  2. Open the left brick door with white mortar using Charge (Q) + Disintegrate (E).
  3. Re-freeze lava if needed and enter the opposite door with Disintegrate.
  4. Place the Heart of Ymir on the blue glowing pedestal.
  5. Defeat 5 Servant of Celestial [Level 5] — break orange shields with Hadron Enforcer Explosion Projectile (yellow glow mode).

Phase 2: Crown of Black Fire

After the L5 wave, access the Crown Room in Lunar World. Wall symbols in the Catacombs near Jimmy's shop indicate the disintegrate number sequence. Solve the puzzle to earn the Crown of Black Fire.

Phase 3: Summon Surtur

  1. Return to Catacombs with the Crown of Black Fire.
  2. Use Snap of Ymir and place the Crown on the yellow pedestal behind the shop.
  3. Surtur spawns with Servant of Celestial [Dead] adds.

Phase 4: Defeat Surtur

Damage Surtur with Snap of Ymir + Disintegrate. His meteors are one-shot kills — dodge or Shield. Death forces repeating the Crown placement. Victory grants Surtur's Sword.

Frequently Asked Questions

How many L5 celestials must I kill?

Five Servant of Celestial [Level 5] after placing the Heart of Ymir.

How do I break the L5 orange shield?

Charge Hadron Enforcer, switch to Explosion Projectile (yellow glow), and fire at the celestial.

What if Surtur one-shots me?

Dodge meteors with Teleport or block with Shield. Come with full health and upgraded gear.

Is Surtur harder than Doom?

Both are endgame bosses. Surtur has a longer prerequisite chain and one-shot meteors. Doom is the newer Update 3.2 encounter.

Related Pages

Video Walkthrough