Reward: Spear That Pierces the Spine of Death / Gáe Bolg!
"Incorrect. Due to the conflict between the treasure's existence and reality, the system will automatically modify it..."
"If the conversion succeeds, the weapon will gain the ability to pierce the heart without difficulty!"
As he looked at the system's three consecutive notifications, Minato's mind went blank. "Damn it! A spear that pierces the spine of the dead?"
The system had been activated for nearly two years, yet more than 99% of its functions remained locked. It had long been cast aside, with no one paying it any attention. Over the past two years, the system had certainly lived up to expectations—by being utterly useless. Other than Steel Skin, it had done nothing.
Because of that, he had long given up on his fantasies and the small hopes he had once held for it. He thought he would be satisfied with his Steel Skin. Like everyone else, he trained steadily and gradually accumulated strength. Yet today, the system that had remained silent for two years suddenly triggered an achievement—and more importantly, a reward. How could he not be shocked?
A spear that pierced the spine of the dead. What was that? Of course, Minato knew the name. Back when he had watched Fate/stay night, Saber's disappearance had left him crying himself to sleep in the dorm every day. It was Cu Chulainn's treasured weapon, a ridiculously overpowered divine artifact capable of reversing cause and effect. Its terrifying ability was to pierce the enemy's heart. Its principle was absurd enough: it first established the result of piercing the heart, then automatically adjusted its trajectory to strike the enemy's vital point.
Still, no matter how unreliable its principle sounded, something with such a bug-like ability falling into his hands was