Continuing with the train heist, Zack found himself in an unfavorable situation. Not only was he outnumbered, but Zack was forced to relinquish his only advantage of fighting them inside the train where his explosives had a higher propensity of affecting the super soldiers.

"I guess you two don't screw with your allies," Zack commented. "Since you just straight-up punch through one of them."

"Heh, like I said, I couldn't care less about them. They are pretty much hindrances," Jacob responded. "You were trying to use that soldier to your advantage anyway, so I made the right move."

Tch, they got a lot of burns and bruises on their bodies from the previous explosives, but it doesn't seem like they're going to go down anytime soon. Zack pondered as he slowly reached into his pocket. I should just--

"That's enough talking!" Luke exclaimed as he rushed at Zack. "Time to die, bastard!"

Luke engaged Zack in close-quarters combat and threw out a combination of right and left hooks. His fists roused up air gusts as Zack narrowly avoided a few. His evasion was short-lived, however, as Luke's right hook connected square in the left side of his face.

"UGH!" Zack grunted as he staggered. His grunt excited Luke as he followed up by kneeing Zack in the gut, causing him to cough excessively.

"Ha! Is that all you got!?" Luke mocked as Zack fell to his knees and continued coughing. "I thought you were a bit strong--"

BANG!

Zack's coughing and apparent pain were simply a ploy to get his opponent to lower his guard, which was successful. Zack suddenly pulled out an orange miniature handgun and immediately aimed it at Luke's head.

A loud bang was audible as Zack fired, and Luke's cranium was engulfed in a rather large explosion.

"URGH!! DAMMIT!!" Luke yelled as he squirmed around and grabbed his head. Zack had no time to follow up with another attack, as Jacob blitzed him and delivered a spinning heel kick to his head. The strike caused Zack to relinquish his grasp on his handgun. These super soldiers truly had a strong penchant for headshots.

"AAHHHHH!!!" With a pain-filled scream, Zack yelled as he violently rolled across the barren land for tens of meters.

BAM!

Zack had no resting time, as Jacob rushed him and punted him into the air with a high kick. The sound of their blows was akin to loud gunshots. Zack's ski mask had a slight red shade at the mouth area due to him coughing up blood.

"Explosive ammunition!? You're one sneaky damn bastard, huh!?" Jacob angrily questioned as he grabbed Zack's collar in mid-air. "What other tricks do you have up your sleeve!?"

Jacob remorselessly and repeatedly struck Zack in the nose, with each creating loud bangs. Satisfied with the beating he delivered, Jacob released his grasp on Zack's collar and dropped him.

"DAMMIT! THAT BASTARD MESSED MY FACE UP!" The explosion's smoke, which engrossed his head, dispersed as Luke exclaimed. A large portion of his head sustained extensive burns, and he clenched his right eye, which was likely significantly damaged. "I'm going to kill him!"

Hehe, it seems that...the explosive bullet had a good effect on him. I'm glad that Octavius gave it to me. Zack thought as he slowly pulled himself off the ground. But...shit. I'm starting to reach the limits of how much beating I can take, and I lost my damn gun--

Much to Zack's bewilderment, he witnessed the enraged Luke grab his handgun from the ground.

"I don't even care what you look like anymore! I'm going to burn you with your ammo!" Luke declared as he aimed at Zack.

Ha! You picked up my explosive weapon, huh? Zack thought. Thanks for making it easy!

Much to his surprise, Luke witnessed the handgun gleam with an orange light. As the light intensified, so did the super soldiers' shocked expressions, which morphed into fright.

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BOOOM!!!

The handgun erupted into a large explosion spanning tens of meters of land. The blast packed enough power to ragdoll Zack and Luke several meters away and even moved the massive locomotive.

"Freaking hell..." Jacob muttered as he slowly stood up after his ragdolling body came to rest. His sluggish movements contrasted with Zack as he sprung into action and darted toward the train.

My body is much more resistant to explosive effects, so I'm quicker to recover! Zack thought as he ran. There were around fifteen explosive bullets in that handgun. There's no way that super soldier is surviving that. Now I have to deal with the other...

Jacob witnessed Zack running toward the train, but his gaze shifted to observe his partner's condition. His expression quickly morphed into anger as he saw the body of Luke face-first on the ground. Luke's body was extensively burnt, his super soldier uniform was in tatters, and he was without his arms.

Jacob's ire quickly amplified as he gritted his teeth and clenched his fist.

That handgun randomly exploded! My assumptions were right, then! Jacob thought. "I'M GOING TO SLAUGHTER YOU, ZACK ISAAC!"

His declaration was so loud that Zack could hear him from the train's interior.

He found out my identity? I suppose he put two and two together after witnessing all those explosions. Ada is far too influential... Zack reasoned. It looks like he cares about his super soldier partner, unlike the regular guys.

Strangely, Zack ceased his movements and stooped to the level of a soldier who was killed in the train crash.

"ZAAACCCKKK!!!" The rage-filled Jacob called out as he charged at Zack. "DIE--"

BOOM!

Zack had snatched grenades from the soldier's person and tossed one at his raging opponent. This inflicted more burns and left shrapnel in the super soldier's body and caused him to recoil backward.

"You're too angry--"

Jacob completely disregarded the damage he received and charged at full speed to kill Zack. He delivered a full-power haymaker which Zack narrowly blocked with his forearm.

"Urgh!" Zack grunted as the force behind the strike, coupled with his already battered state, caused him to visibly flinch. Jacob didn't care though as he punched Zack square in the nasal area and followed up by grabbing his head and slamming it into the train wall.

Zack's head slamming into the train caused a bang that reverberated throughout the entire locomotive.

"AAAHHHHHHH!!!!" Zack yelled in pain. His widened eyes were the only indicator of the pain-filled expression on his face.

"Your damn mask won't save you! I already know who you are, Zack!" Jacob yelled as he delivered a flurry of blows, which Zack had no choice but to block with his forearms. "You S-Class criminals are so damn shitty--"

BOOM!

Jacob, who was blinded by his rage, failed to notice the second grenade Zack held in his hand. Zack released his grip, and the grenade gleamed mid-air. Due to its proximity when exploding, both Zack and Jacob were launched in opposite directions into separate wagons.

The two men found it difficult to stand up; it was evident that they were on their last legs, and this fight was about to end.

Zack removed the ski mask from his face as its usefulness was outlived. Immediately after, he violently coughed up more blood. The extensive bruises and bleeding were now visible on his face after removing his mask.

Dammit...I activated the grenade too close to me. The shrapnel affected me as well. Zack pondered as he observed his own body, which sharp, tiny shards were visibly sticking from. To think I'm having this much trouble with two super soldiers...how the hell do I expect to avenge Jack's killer?

"Ugh...you damn...bastard..." Jacob muttered as he staggered toward Zack. Simultaneously, Zack mustered the remainder of his strength and reached under a train seat. "JUST DIE ALREADY!"

Jacob, too mustered his strength as he lunged toward Zack and began to choke him out. Jacob's thumbs pressed deeply into his Adam's apple, causing great discomfort to Zack.

Zack was never the one to just keel over and accept death, as he shoved what seemed to be a crowbar into Luke's mouth; that was what Zack had reached for under the train's seat.

Tsk! What the hell do you expect to do with that!? Choke me with it!? Jacob internally questioned. It's not an explosive, so you have no chance! You're going to be strangled to death!

Zack's eyes began rolling upwards as his airway became compressed due to the manual strangulation. The bloodshot eyes and gritted teeth intensified Zack's discomfort.

DAMMIT! EXPLODE! Zack internally demanded. You're not a crowbar. You're now an explosive, so act like one and save me!

Jacob's fingers pressed so deep into Zack's throat that his thumbs began to pierce his flesh. Zack was deprived of so much air that his vision began to blur; he was drifting in and out of consciousness. This sight coupled with Zack's clear agony from being choked, filled Jacob with delight.

EXPLODE! NOW!

BOOM!

As if saved by the bell, the crowbar released a powerful explosion into Jacob's mouth. The blast was potent enough to rip through his jaw and immediately roasted the cranium of Zack's opponent. With the fall of Jacob's lifeless body to the ground, Zack had claimed the long-awaited victory.

Well, would it be a victory with the state Zack is in? As the adrenaline dissipated from his body, all energy left his arm as Zack dropped the smoking crowbar.

Ah...I did it. I think...I'm getting the hang of making those stuff...explode. Zack thought as the blur of his vision intensified. I can't...move, though. Maybe I'll...take a rest...for a bit.

After ending up victorious against the super soldier duo, Zack Isaac lost consciousness.