*
"AaaasterRRR!!!!!!" (Yggdrasil)
"LastiAAAAAA!!!!!" (Aster)
They charged at each other from a short distance, weapons, specialised blades in hand. Yggdrasil lifts her great sword as if it had no weight, causing a dissonance in Aster's mind as Lastia's twig like arms shifted such a huge mass as if it were nothing. That's just how it is with magical girls, they're so strong that the weight of weapons no longer mattered. The damage derived from their attacks come down to magic quantity instead.
Everyone can instinctively feel how much magic the opponent is using and match that amount. They use as little energy as possible to ward off attacks, slowly biding time and waiting for a better opening to launch their own decisive attacks. It was a preferred battle style to first conserve then patiently wait for an opening to exploit to shit the battle, rather than haphazardly expending magic to overwhelm the enemy first. In a word, inefficient. Trying to overwhelm the enemy with quantity wasn't too wise in the lower ranks of magical girls, it usually took far less energy to defend than to attack with an equivalent caliber.
Their blades collide in mid air, neither dared to relent. They began pouring magic wanting to use this opportunity to turn the tide of battle. They could instinctively feel that both parties were increasing the intensity of the attack by injecting more magical energy. If they don't want their weapons to break and to get cleaved in half by that same momentum, they need their weapon to withstand the enemy's attack. So they pour and pour without an end in sight.
A faint white outline pulsed around Aster's vacuum blade, reality was not able to keep up with the speed of her magic, not all light could be absorbed quick enough into the blade and was thus reflected as white. It was like a miniature blackhole bearing an immense gravitational force to cut with. On the other hand the dark crimson light radiating from Yggdrasil's great sword began to spread like a beacon. Light spread everywhere, nearly blinding Aster. It wasn't consistent, just like the vacuum blade's pulsing white light, it was flashing rapidly like a strobe light.
"HaaaaAAAAAAAAA!!!!!!" (Both)
The white outline of the vacuum blade spiked, covering the air in a blanket of eye straining white sparks. It looked more like a disco than a fight to the death, with two lights constantly flashing and vying for dominance.
Here! Yggdrasil stops drip feeding magic into her sword and throws in a whole chunk at once, forcing the blade to tear downwards. The force blasted into Aster's entire body, as if her whole being was parried. Yggdrasil leapt up, promptly swing her great sword once more as Aster was sent into the air. At the last moment bereft of any ground to stand on, Aster swung her vacuum blade down and blocked side strike. Unable to do anything other than protect her body with her own sword's durability, she was sent flying at a rapid speed.
Her vision blurred as her body turned layer after layer of wooden walls into dust. It hasn't ended yet, Yggdrasil chased after the flying Aster who was still crashing into wall after wall. This time she thrusted straight, the massive surface area of her great sword seemed even larger from Aster's perspective as it drew closer.
This was no chance to be conservative, she would suffer a lot of damage if this went through. She poured a large chunk of magic into her sword to defend herself, transforming it into a convex shield of ink black. The darkness in it beckons to any who sees it, it seemed even more like a black hole now that it was round.
The great sword clashes with the shield from the front, an exorbitant quantity of magic is spent to reinforced the shield. If it begun cracking it had to be repaired or its structure would shatter and let the sword through physically. Even if the fragments were durable enough to resist the attack, they were useless if they didn't block it. She then swung her feet backwards, finally making stable contact with the ground. She punched her shield and expended the largest portion of her remaining magic all at once. It was enough to eradicate a city.
The shield reshape into a gauntlet that instantly shattered the great sword. The force was powerful enough to bust through any defences, ripping a hole in Yggdrasil's chest. Blood inevitably shot out of Yggdrasil's lips, staining them with a more vibrant red. Reeling from the shock of what happened, she didn't surrender just because her heart got crushed and splattered onto the ground behind her.
It hurts. It hurts. It hurts. It hurts. It hurts. It hurts. It hurts. It hurts. It hurts. It hurts. It hurts. It hurts!!
Her hands now free from the great sword, slammed into Aster's throat and began crushing with full force. Her magic poured into her fingers and arms. Struggling to speak, she barely eked out a word as her lips convulsed violently. Her eyes never once tore away from her enemy.
"{Feed}." (Yggdrasil)
She'll use its physical enhancement feature to strengthen her grip, her nails finally cut past Aster's defenses and slid smoothly into her flesh. Behind another's defences, one is free to use their own magic. A magical girl naturally has a layer of magic defence, preventing others from casting magic inside their own body. That's why teleportation has restrictions, and it was difficult to sever a person in half by teleporting only a section of their body, or teleporting a foreign object into their body.
However Yggdrasil physically dug through those very defences with her fingers inside Aster's neck, using {Feed} she began draining her enemy's magic and augmenting her own physical strength.
"Rghh!!! Arrghh!!!" (Aster)
Her arm was lodged inside Yggdrasil's chest so she could break free with just one arm. So she swung her left arm, punching Yggdrasil's face. Her cheeks swell and many teeth fell out at once. She spat so much blood it could fill a bucket, it was from the annihilated heart. She didn't stop, she wasn't deterred, she kept gripping and crushing. Master's neck visibly shrunk under the pressure.
"Ghgg!! You bastard... Fine, you win..." (Aster)
She stopped struggling, a bloody smile surfaced before Yggdrasil. A large amount of magic could be detected at once. A detonation-