Arsonist: - Destroy 50 Engineer buildings.
Attention Getter: - Ignite 100 enemies with the flare gun.
Baptism by Fire: - Force 10 burning enemies to jump into water.
BarbeQueQ: - Cause a dominated player to leave the server.
Burn Ward: - Ignite 3 medics that are ready to deploy an Uber-charge.
Camp Fire: - Kill 3 enemies in a row, all within the same area.
Clearcutter: - Kill 6 people with your axe in one life.
Combined Fire: - Use your shotgun to finish off 20 players you've ignited.
Controlled Burn: - Ignite 50 enemies capturing one of your control points.
Cooking the Books: - Ignite 5 enemies carrying your intelligence.
Dance Dance Immolation: - Kill 3 enemies while they're taunting.
Dead Heat: - Kill an enemy in the same second that he kills you.
Fire and Forget: - Kill 15 players while you're dead.
Fire Chief: - Kill 1000 enemies
Firefighter: - Kill 500 enemies.
Firewall: - Ignite 5 Spies who have a sapper on a friendly building.
Firewatch: - Ignite 10 snipers while they are zoomed in.
Freezer Burn: - Provide enemies with freezecam shots of each of your taunts.
Got A Light?: - Ignite an enemy Spy while he's flicking a cigarette.
Hot on Your Heels: - Kill 50 enemies with your flamethrower, from behind.
Hot Potato: - Reflect 100 projectiles with your compressed air blast.
Hotshot: - Kill a Soldier with a reflected critical rocket.
I Fry: - Ignite 10 disguised Spies.
Lumberjack: - Kill 3 people with your axe in one life.
Makin' Bacon: - Kill 50 Heavies with your flamethrower.
Next of Kindling: - Ignite an enemy, and the Medic healing him.
OMGWTFBBQ: - Kill an enemy with a taunt.
Pilot Light: - Ignite a rocket-jumping Soldier while he's in midair.
Plan B: - Kill 10 enemies while you're both underwater.
Pyromancer: - Do 1 million points of total fire damage.
Pyrotechnics: - Kill 3 enemies in a single uber-charge.
Second Degree Burn: - Kill a burning enemy who was ignited by another Pyro.
Spontaneous Combustion: - Ignite 10 cloaked Spies.
Trailblazer: - Ignite 10 enemies that have recently used a teleporter.
Weenie Roast: - Have 2 enemy Scouts on fire at the same time.