Roar of Battle is an origin trait in Destiny 2 that can appear on 25 weapons. There is also an enhanced version with a stronger effect.
What Roar of Battle does
Being in combat for a short duration increases handling and stability.
Enhanced version
Being in combat for a short duration increases handling and stability for an extended duration.
Weapons that can roll Roar of Battle (25)
Anonymous AutumnArc · Sidearm
Astral HorizonKinetic · Shotgun
Aureus NeutralizerKinetic · Hand Cannon
Auric DisablerStrand · Auto Rifle
Burden of GuiltStasis · Fusion Rifle
Cataphract GL3Strand · Grenade Launcher
Corundum HammerStrand · Hand Cannon
DrangSolar · Sidearm
Everburning GlitzKinetic · Auto Rifle
Keen ThistleSolar · Sniper Rifle
Last PerditionVoid · Pulse Rifle
MIDA Macro-ToolArc · Shotgun
MIDA Mini-ToolSolar · Submachine Gun
Mos Athanor IVVoid · Hand Cannon
Pure RecollectionVoid · Shotgun
Qua Vinctus IVStrand · Machine Gun
RetrofuturistVoid · Shotgun
Returned MemorySolar · Sidearm
Shayura's WrathVoid · Submachine Gun
Sola's ScarSolar · Sword
The HelmsmanArc · Sniper Rifle
The InquisitorArc · Shotgun
The MartletVoid · Pulse Rifle
The ScholarStrand · Scout Rifle
Willful HamartiaArc · Linear Fusion Rifle