---
navigation:
parent: mechanics/mechanics-index.md
title: Surtr - Lord of the Fire Giants
icon: ftbragnarok:flame_heart
position: 4
item_ids:
- ftbragnarok:flame_heart
---
# Surtr - Lord of the Fire Giants
Surtr is the lord of Muspelheim and ruler of the fire giants. He wields a flaming sword and commands the destructive power of fire itself.
### Boss Stats
* Health: 500 HP
* Damage Cap: 10% (50 HP per hit)
* Drops:
***
## Combat Behavior
Surtr is an aggressive melee boss with powerful fire magic. He combines devastating sword strikes with explosive fire spells.
### Phase Transitions
| Phase | Health Threshold | New Abilities |
|-------|-----------------|---------------|
| 1 | 100% - 75% | Basic attacks, fireballs |
| 2 | 75% - 50% | Fire breath, burning dash |
| 3 | 50% - 25% | Volcanic eruption, summon blazes |
| 4 | Below 15% | ENRAGED - Massive power boost |
### Critical Weakness: Cold Damage!
Surtr takes DOUBLE DAMAGE from cold/ice attacks, and cold damage bypasses his damage cap entirely! Ice spells and frost weapons are extremely effective.
***
## Attacks
### Flaming Sword Strikes
Devastating melee combos that set targets on fire.
### Fireball Barrage
Launches multiple fireballs at ranged targets. Fast projectiles that explode on impact.
### Fire Breath
A cone of flames in front of Surtr. Deals massive damage - stay behind him!
### Burning Dash
Surtr charges toward a target, leaving a trail of fire. Used to close gaps.
### Heat Surge
An expanding ring of fire that damages all nearby players.
### Summon Blazes
Calls forth 2-4 Blazes to aid him in combat. Kill them to reduce incoming damage.
### Inferno Armor
Surtr wraps himself in protective flames:
* Reflects projectiles back at attackers (except cold projectiles!)
* Sets melee attackers on fire
* Removes Fire Resistance from nearby players
***
## Enraged State (Below 15% HP)
When Surtr drops below 15% health, he enters a terrifying enraged state:
* Grows 15% larger
* Gains significant armor and armor toughness
* Gains regeneration
* Fire damage now deals bonus magic damage
* Immediately summons a ring of Blazes