Counterattack is a trait in Destiny 2 that can appear on 13 weapons. There is also an enhanced version with a stronger effect.
What Counterattack does
Blocking an attack immediately after guarding increases damage for a short duration.
Enhanced version
Blocking an attack immediately after guarding increases damage for an improved duration.
Weapons that can roll Counterattack (13)
Crown-SplitterVoid · Sword
Death's RazorVoid · Sword
Double-Edged AnswerVoid · Sword
Eternity's EdgeSolar · Sword
False IdolsSolar · Sword
GoldtuskArc · Sword
Honor's EdgeArc · Sword
Negative SpaceSolar · Sword
Razor's EdgeVoid · Sword
Sola's Scar (Adept)Solar · Sword
Sullen ClawVoid · Sword
Terciopelo-4blSolar · Sword
Thin PrecipiceStrand · Sword