[] Order Assassin to finish the job. Kill Caster's Master and get out of there fast.
This would be your best and only chance to do this. If it's Assassin then she can do it. You considered your option of getting her to stop and wait for more information but time was running out.
You let out a breath as you gave her the order, "Go. Kill the Master and finish the job."
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Assassin got the permission and immediately lowered her presence even more. She had a clear path to take. Caster and her Master were wide open and even if there were any defenses in Assassin's way, she could brute force through them.
She slowed her breathing and eyed her target one last time. The enemy Master was still in deep discussion with the other man. She held her hand over her sword and moved.
It only took a split second.
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Luke Myers was a simple young man. He knew of life as a Magus was filled with dangers that could kill him but he had little choice in the matter following his family being abandoned by his father. His mother had failed to provide his father with a suitable heir for his magecraft, with Luke being a mediocre Magus with no redeeming talent.
But that didn't stop the boy from rising to the occasion and protecting his mother. Even with her failing health, he sought to cure her disease through magecraft until he caught wind of the Holy Grail War. A distant war fought in the far East where one's wish could come true.
It was because of this that he made preparations for his own entry until the day the red marks appears on the back of his hand. A sign of the ritual choosing him as a Master.
He summoned his Servant and called upon a beautiful figure from the Throne to aid him.
He summoned Caster.
Using his Seals upon meeting her, he immediately gave her two binding orders.
"Stay and protect my mother."
"Fight and win this war."
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Assassin was upon the Master of Caster, cutting off his head in a fluid motion. It was a ferocious and inhumanly fast strike as she had come from the shadows and cut through the Master with ease.
Blood danced in the air as Caster reacted, the woman's eyes widening in horror. Assassin turned in the air and hit the ground, sliding on her feet as the Master's body dropped dead.
She turned her blade and looked towards the man called Theodore.
Darting forward, Assassin bared her blade towards him and lunged.
"ASSASSIN!"
A djinn appeared before Assassin and smashed her path with its arms. This was followed by a Great Explorer baring a scimitar at her and forcing her to block it.
Assassin turned to see Caster's eyes be filled with both shock and rage as she clutched her Master's disembodied head. Blood stained Caster's dress as she slowly stood up and the interior of the warehouse shifted.
Assassin saw the hand of the corpse and noticed that the command seals had all been spent. What did he spend it on? Why wasn't Caster vanishing?
"Hahahahaha! So that was one your plan, boy! How brilliant! How utterly brilliant!" Theodore laughed as he slowly stood up from his seat and held his stomach, "Using your Seals to bind your Servant to this world! Truly, where do you hear that?"
Caster held up her hand as a monstrous giant rose waist first and swept the ground, only for the Djinn to come and try to hit Assassin. She bared her Shinobi tools and threw them into the air, using hidden wires to direct them through the surrounding area and cutting through Caster's summons.
"You're... Not getting away!" Caster roared as the walls to around the warehouse crumbled as she drew upon a scroll.
Opening it, light flooded the air before blinding Assassin where she stood. There was a change in the air and she opened her eyes to see an ever expanding desert.
"
One Thousand and One Nights," Caster whispered as she held her Master's head before dark clouds began creeping within the Reality Marble.
Lightning coursed through the air as Caster was elevated from where she stood by a stone staircase. Monsters and all manner of beasts rose from the sand as a storm kicked up the nearby dunes to form a swirling wall of violence.
Assassin stood alone as she looked up at Caster giving her a tearful glare.
"His wish... Was beautiful!" Caster breathed as she held her staff in hand, "You will pay for this, Assassin. I will not rest until you are vanquished!"
Assassin grimaced as she turned her blade and stared down the monsters Caster had called upon. Taking a step back, she turned to see the man named Theodore stand between her and the exit.
A moment later, a figure entered the Reality Marble. Archer had a smile on her lips as she revealed herself.
Assassin was trapped.
The first of the monster, gigantic warrior brought down his hammer on the Servant but Assassin dodged and vaulted over its hammer. Jumping, she spiraled through the air and cut through the monster's head.
Djinns and snakewomen hissed at her as they called upon their powers to unleash a furious inferno. Assassin dived down to avoid being hit, slicing throuh the Lamias and driving her blade into the head of a Djinn.
Twisting the blade, Assassin turned and flipped through the air and hit the sand. Thieves and vagrants bared their blades as Assassin swept the sand in the air creating curtain just as kunai flew out it.
Bodies dropped as Assassin broke through the curtain of sand and slashed through two thieves. Blood danced in the air as she knelt down the ground.
Caster grit her teeth as she held up her hand to summon more monsters.
Assassin simply cleaned her blade and lowered it. Closing her eye, she recalled her Master's words.
"Be careful out there, Chiyome."
Assassin opened her eye as she stood before the host of monsters Caster had summoned.
Assassin brought her hands to her sword and got ready. The howls of monsters sounding more like mourning cries.
Serpent's Strike
[] Assassin will dodge through the monsters and get to Caster as soon as she can. Cut her down from her stone throne! This Job will be completed!
[] Assassin will cut down Caster's monsters and exhaust her magical supply. Assassin didn't understand the mechanics of how Caster still existed but a battle of attrition would be in her favor.
[] Assassin has a different win condition. If she could escape this Reality Marble, she can win. She'll have to run from the monsters and fight a retreating battle and break through Archer!