The Booster Blade
Booster Blade
Creator: CHAWLZ
On Hit: 20% rage gained
-20% rage generation rate penalty
A more dynamic banner-buddy for more dynamic Soldiers. Swing away and watch as you suddenly become quite angry!
— Weapon announcement on the official Slag Forum

The Booster Blade is a melee weapon for the Soldier, and was a Weapon of the Day. It is visually identical to the Three-Rune Blade.

Hitting an enemy with it will instantly charge a fifth of the user's banner charge, but having this weapon equipped will make said charge fill slower.

Damage and Function timesEdit

Damage and Function Times
Damage type Melee
Base damage 100% 65
Critical 195
Mini-crit 75-101
Function Times
Attack interval 0.8 s


  • Equipping this weapon without a banner will negate both its only upside and downside, so it is not advised.
  • This weapon is a risk-reward weapon, as it will rewards the user to get into melee range by quickly charging its banner.
  • The fact that the user's melee weapon is the only way to deal damage, and so charge the banner, in Medieval Mode allows the user to effectively make the only downside of this weapon practically inexistent.
Weapons of the Day
Scout Backalley Blister - Heavy Hander - Pop Capper - Plutonium Pistol - Critsmourne The Lifestealer - Morning Rescue - Nobunaga no Nobara
Soldier Major Tom - Antique Artillery - Jet-Powered Galoshes - Booster Blade - Screaming Eagle
Pyro Bleedthrower - Hot Air Balloon - Collect Call of Cthulu - Firebomber - Gravity Well - Pearce 75 - Torcher's Twinbarrel - Amateur Assassin
Demoman Bulwark of Will - Follow The Rainbow - Jumpin Jehosaphat
Heavy Berlin Bear - Sub Sandvich
Engineer Battery Assault - Ol' Greasy - Scrap Collector
Medic Clinical Trial - Incense Inhaler
Sniper Clever Girl - Underworld's Nightmare - Iron Spine - Instant Iaido
Spy +1 Revolver of Nekonus - Destinguished Gentleman - Destinguished Gentleman MKII - Flagrant Flintlock - Obeah - French Tickler - Peek-A-Boo - Poking Stick

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