"Pierce through, Elf Secret Arts: Whirlwind Web Arrow!"
A transparent, colorless passage of air formed instantaneously in the sky, while the arrow flew through it, unseen, as if the shooting and the hitting happened at the same moment, making it impossible for Hexia to evade.
The powerful jet-black spiral arrow pierced through her body, causing heart-piercing pain, then dragged her crashing to the ground, where it pinned Hexia's limbs down.
High above, Temisia did not rush to pursue her fallen sister but spread her arms once more, grasping the jet-black magic swords that bloomed from the Black Rose in her hands again.
The purple in her eyes slowly burned, as the jet-black magic sword gained a layer of enchanting purple flame, then the two swords in her hands merged slowly into one, finally forming a dangerous, broad black-purple greatsword.
In the deep purple, almost black crystal, countless brandings spread like an intricate circuit, with strands of golden light flowing through them, driving the complex high-rank Aijeika formulae.
Annihilation. Curse. Deadly Poison. Instant Slash.
One layer after another of dangerous transcendent effects were added to the blade.
"Farewell, Hexia."
With beautiful butterfly wings flapping, Temisia descended slowly with the black-purple demon sword in hand.
Her speed was not fast, and in this gradual fall, layer upon layer of enchanting purple magic power pressed down, bringing an oppressive, suffocating momentum.
On the ground, pinned down, Hexia struggled fiercely, managing to free her right hand from the seal of the black spiral arrow, then grasped the blue ancient sword that condensed out of thin air and slashed horizontally before her, severing all the spiral arrows.
Looking up at Temisia gradually descending from the sky, she knew that there was no escape now. With such dense magic power and momentum, the moment she would break into Temisia's vicinity, she would be stalled by the sticky, compressed waves of air, making it hard to move her body.
"Now you remember you have a little sister," Temisia glared at Hexia, the purple in her eyes nearly blazing.
"I have never forgotten, sister," Hexia retorted, her eyes also igniting with a blue magic flame.
"Fool!" Temisia swung the sword with all her might, trying to let the greatsword strike Hexia.
"Arrogant!" Hexia followed the direction of the blade, colliding with her sister once more, but this time, neither could free their hands.
The two, wielding the intertwining blue-purple demon sword, wobbled, repeatedly attacking and disrupting each other, from the sky to the ground, then back to the sky again. The great demon sword swung continuously, severing steel frames inside the shaft and leaving deep, tens-of-meters long gouges and gaps on the surrounding walls.
If it weren't for the fact that this area was a rarely-traveled underground location, it would have been noticed long ago.
The struggle continued until, minutes later, the massive demon sword shattered, ripping apart from the middle and breaking into two halves.
So, each holding half, they reformed blades suited to their own familiar styles and clashed again.
In a corner of the elevator shaft's midpoint, Qiao Long hid in a gap between rocks, peeking at the two battling twin sisters with as little exposure as possible, shock and astonishment filling his eyes.
Was this truly the level one could achieve at their age? Even the legendary talents, at 16-17, were probably just starting to learn some advanced formulae in school.
Though he had never formally attended school, he was aware of the situation of transcendent practitioners from his master.
Logically, if one advanced to Sequence 4 before the age of 24, they were considered highly talented. Such geniuses typically graduated from prestigious schools or were offspring of major factions.
Even for top talents recorded in the Federation, reaching Sequence 4 at 16 was remarkable. Yet what was he witnessing now? Two girls, 16-17 years old, with the strength of Sequence 5 verging on Sequence 6. Furthermore, their combat became more and more proficient as they fought, as if they were rapidly gaining years of arduous practice and refinement within an hour.