He eventually gets the arm back but the leg stays gone. An Arm and a Leg: Lost his left leg attempting human transmutation, sacrificed his right arm to retrieve Al's soul.Its indicated, during their reminiscing of past spats at the hospital, that Al was winning quarrels between the two even before he was a suit of armor or was under Izumis tutelage. Makes sense 'cause Al is, ya know, a living suit of armor. Always Second Best: Ed's brother Al always wins their sparring matches.
Fortunately, Roy appears in the nick of time to save both brothers. Scar agrees, since Al is incapacitated and wasn't the target.
He instead says he'll Face Death with Dignity if Scar will spare Al. Ain't Too Proud to Beg: When Scar destroys his arm so he can't perform alchemy, and prepares to kill Ed, Ed doesn't beg for his life.He more or less kept it when he grew up, only now it makes him seem high-strung and unpleasant. Adorably Precocious Child: Young Ed managed to be an alchemy whiz who was wiser than his years.