Flame Blast

This article is about the engineer skill. For the bundle skill, see Flame Blast (Flame Ram). For the skill used by Karde, see Flame Blast (Karde). For the area of effect damage bonus, see Sigil of Fire.

Fire a napalm ball that explodes on impact. — In-game description

Flame Blast

 

Profession

Engineer (skill list)

Kit

  Flamethrower

Game link

API

5931

Gallery
Click to enlarge

“

0.5½  

6

8

6

 

Flame Blast

Fire a napalm ball that explodes on impact.

 Damage: 462 (1.3)^?

 Damage: 391 (1.1)^?

 Explosion Burning (6s): 786 Damage

₂ Explosion Burning (4s): 1,048 Damage

₂ Explosion Burning (6s): 1,572 Damage

 Number of Targets: 5

 Blast Radius: 240

 Pierces

 Explosion

 Combo Finisher: Blast

 Range: 600

— In-game description

Notes

• Unaffected by reflect and projectile blocking fields.
• Prior to the June 24th, 2025 game update, the skill description contained the historical chain skill Detonate Flame Blast, even though it could no longer be used.
• Also used by the Flamethrowers found at Frostwalk Tundra.

Version history

For a detailed skill history, see here.

Patch	Changes
April 14, 2026	Reduced the burning stacks from 3 to 1 and increased the burning duration from 4 seconds to 6 seconds in PvE only.
November 18, 2025	Increased the cooldown from 6 seconds to 8 seconds and reduced the power coefficient from 1.3 to 1.1 in WvW only.
June 24, 2025	This skill no longer damages enemies it passes through. Increased the explosion power coefficient from 0.75 to 1.3. Increased the explosion's burning stacks from 2 to 3 in PvE only.
February 28, 2022	End of Dragons release: Increased burning duration from 4 seconds to 6 seconds in PvP only.
July 07, 2020	Increased burning duration from 3 seconds to 4 seconds.
March 31, 2020	This skill is now considered an explosion for the purposes of traits.
April 09, 2019	Updated the tooltip to reflect previous changes.
March 05, 2019	This skill now targets the ground and will explode automatically when it hits the targeted location.
February 22, 2017	Reduced the base damage of this skill by 66%. This skill now inflicts burning for 3 seconds.
March 26, 2013	No longer double-detonates when the projectile expires naturally. Turns off Detonate after the flame blast ball is gone.
February 26, 2013	This ability is now able to be detonated by a secondary ability.
August 28, 2012	Game release: Flame Blast has been added to the game.