On either of them, if you get a quick enemy that can stay more than 45 degrees off your tail youre screwed, no matter how good you are with a tailgun. With the right pilot an Arrow can take a Vaktoth one-on-one every time without using full capabilities or one spurt of afterburner. Believe me, I had it down to a fine art when I was playing WC3...
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You deal death with your roars and your screams, your threats, your taunts, your overblown ego. I hand it out, one with the steel and the silence, the blackness around me, with a thought.