This thing was called the Cosmic Cube.
Both the Tesseract, which sealed the Space Stone, and the Orb, which sealed the Power Stone, had been replicated based on this item.
The Cosmic Cube could draw energy from some higher unknown dimension, seal it away, and use it. Its currently known function was the ability to alter the rules of the universe.
However, the Cosmic Cube's abilities had not been fully developed.
Its energy output had a limited range and could not function on a universal scale like the Infinity Stones.
Back then, Thanos had hoped to use the Cosmic Cube to achieve his grand vision of balance.
But after learning of the Infinity Stones, he discovered that their power was purer and more absolute, so he halted development of the Cosmic Cube project.
But now, the situation was different.
Under the rules of the Cosmic Arena, the properties of the Infinity Stones had been restricted.
This Cosmic Cube had now become the key trump card Thanos believed could secure victory.
All he needed to do was alter part of the battlefield's rules and remove the Gladiator Spirit's restrictions on the Infinity Stones in his possession.
"Destiny is about to arrive," Thanos murmured.
Above the arena, Grandmaster's holographic projection enlarged once more.
He did not wait for both sides to select their combatants as he had before.
According to the rules, before either side reached a draw, all contestants had to take the field in turn.
And now, only one person remained on each side's roster.
"Ladies and gentlemen!" Grandmaster's voice trembled with excitement. He knew this match might become the most glorious moment of his career for a long time to come.
"Now! Immediately! At once! We are about to witness the climax of this Cosmic Arena!"
"This is also