When the character attacks an enemy without allies nearby, they gain 10% 
Armor Penetration or 
Magic Penetration (adaptive) and deal an additional 50% 
Physical or 
Magical critical damage power (adaptive) against this enemy for 5 seconds. Cooldown is 20 seconds.
“
When the character attacks an enemy without allies nearby, they gain
10% Armor Penetration or
Magic Penetration (adaptive) and deal an additional
50% Physical or
Magical critical damage power (adaptive) against this enemy for
5 seconds. Cooldown is
20 seconds.
— In-game description
