He was clearly mortally wounded, but he didn't lose any limbs, and his muscles were still connected, which makes it possible for him to walk and move, until the damage and trauma shuts his body down completely.
That yell was Gus realizing that his need for revenge got him caught in a situation that he couldn't escape from.
Once recovered , Walter would have been forced to run away with his family. He could have made his family stay at Hank's but that would put Hank in danger. In short the season 5 would look like this : Walt finds out Gus managed to live and Hector Salamanca died for no reason.
Not looking at Gus is a sign of disrespect. Hector hates Gus but doesn't have a lot of ways of showing it. He's been reduced to a little man in a wheelchair while Gus just keeps growing in power and influence. Since he happily shot Gus' lover, Max, he has to know that Gus revels in his misery.
The Breaking Bad episode "Hermanos" shows that Gus and his long-time business partner and boyfriend Max Arciniega started Los Pollos Hermanos as a front to sell methamphetamine that Max "cooked".
Breaking Bad
He has his Los Pollos Hermanos trucks, which store meth in them, hijacked by the Cartel's men. Eladio sends one of his men, Gaff, to Gus so he will give him the recipe for Gus' Blue Sky meth, the true reason for the sudden hits against him.
In the final scene, Hank figures out that Walt is Heisenberg while perusing Walt's copy of “Leaves of Grass” on the toilet. The book is inscribed: “To my other favorite W.W. It's an honor working with you.
There are two bathrooms, and they are back to back, sharing one wet wall. When Walt gets up in that scene in the middle of the night, and Skyler won't let him in to use the master bathroom, he's angry (it's his house after all). Jr is in the hall bathroom, so he has a "screw it" attitude and pisses in the sink.
Walter White was a greater genius, in terms of intellect, but Fring was a far more effective drug lord. Fring set up a world-class chain of distribution, married to a German conglomerate, played the Cartel, then buried its kings, built the super lab and had the business savvy to run this thing in perpetuity.
Gus Fring's Death Is Possible (But Not Realistic)
The blast wave severely injured his right side - but it didn't hit his vital organs, which could explain why Gustavo Fring's death in Breaking Bad wasn't immediate. Much of Gus' head and face was injured, but his skull was still intact.
Augustus tells Hazel he keeps the unlit cigarette in his mouth for its symbolism, or “metaphorical resonance” as Hazel phrases it. It's a way of feeling he has control over the thing that has the power to kill him. In this case, that thing is cancer, represented by the cigarette, a well-known carcinogen.
It belonged to a man scared of Gus Fring, scared of Tuco Salamanca, scared of chemotherapy, scared of cholesterol. So, after taking a long look at his porkpie, he sells the car to the mechanic for fifty bucks — a dollar for each year of his previous life.
'Better Call Saul': Giancarlo Esposito on Why Gus Fring Fears Lalo Salamanca - IMDb.
Steps never change, and I know every step. Note: Character says this while cooking a batch of methamphetamine, having learned by watching Walter; Gus Fring subsequently kills him by slicing his throat with a box cutter.
Gustavo Fring's Drug Empire, known simply as Gus' Drug Empire, was an American drug organization based in Albuquerque, New Mexico and run by drug kingpin Gustavo Fring. It was the second most powerful drug organization in United States history, being surpassed only by Walter White's Drug Empire.
After Skyler breaks into Walter's apartment, she finds the plastic eyeball of a teddy bear that has been part of the series since the second season. The eye has long been used as a symbol to identify Walter's gradual descent into a life of crime, and Skyler's discovery of it symbolizes her own similar descent.
Breaking Bad creator and Better Call Saul co-creator Vince Gilligan opened up to The Colbert Report about the worst thing Walter White had ever done, saying, "It was the moment Walt said to Jesse, with apparent glee, 'I watched Jane die. She choked to death and I could've saved her, and I didn't.
We see Walt cough up blood several times—the insinuation being that he has lung cancer.
After Walt tries one last time to intimidate Saul into doing his bidding, his cancer rears its ugly head in a series of coughs that bring him to his knees and let Saul know big bad Heisenberg is no more before he leaves for his new life in Omaha.
After Breaking Bad
In an interview, show creator Vince Gilligan confirmed that Walter Jr. eventually received his father's drug money through Gretchen and Elliott Schwartz, which he had arranged beforehand.
In the season 5 episode Confessions Jesse realises that Saul and Huell took his ricin cigerette on the orders of Walt (Jesse finds this out by threatening them with a gun) which causes him to also realise that Walter was behind the whole false story of Gus poisoning Brock when it had been him all along.
Hector is a former drug agent who worked for Don Eladio. His family members are very involved in the drug business. After an unexplained incident, he's left paralyzed in most of his body and can't speak or move on his own. His only means of communication is the bell on his wheelchair.
Gus Fring hated Hector Salamanca, because Hector killed Max Arciniega, who was Gus's best friend and possibly lover in 1989.
Hatred. Gus Fring's biggest weakness was his unending hatred for Hector Salamanca, who, twenty years ago, had shot his partner in the head just to make a point. That's why he spent the next 20 years in the drug business and not just go back to cooking fried chicken and making a stable profit.