Assault

Frisk summoned a few more knives and threw them at Ruin, then dashed towards him. He stepped forward and smacked the knives to the floor, jumping over Frisk as she attempted to attack him. Ruin swung his sword upwards slashing Frisk's shoulder open and crumbling the ground. The citizens in the area had all taken notice of the fight and decided to evacuate the area.

"Gah!" Frisk grunted in pain. Ruin began swinging his sword in small barrages, Frisk barely able to keep up with them.

"This is all you got?" He asked. She dashed towards him ready to swing, but she faked it and threw the knife instead, Ruin flung the knife in the air and swung down at Frisk, but she had launched into the air and kicked the knife down into his shoulder shattering upon impact.

"What?" she yelled, shocked.

"It might look like some sturdy armor, but some parts of it are magic resistant" he laughed. Ruin had stabbed his blade into the floor sending shockwaves towards Frisk. She rolled to the side dodging the waves and she ran towards him, summoning a knife in the midst. Ruin had twirled over, as she attempted to stab him, and slashed her head off.

"FRISK!!!" Jason screamed. Khila had tried to hold him back but couldn't stop him from running towards her now decaying body. "No! No! NO!" he yelled. There again, sat Frisk's red floating soul, hovering above ground for mere seconds before it cracked in half, and shattered.

"Don't be so beat kid... We all know she'll be back in a sec" He laughed. "I killed her for fun, if I really wanted I could kill her a million times... but nah I should taker her in for a surprise" he explained with a devilish smirk.

"Even if she's coming back... I won't let you get away with it..." Jason muttered.

"HA! And what're you gonna do little boy?!" He smiled.

"I might be weak... but the strength I gathered today...won't be back for a while...so I'll make sure to cherish it..... AND MAKE YOU EAT THOSE WORDS!" he screamed.

"Actions can't be changed by little words alone... So why don't you come and show me" Ruin yelled. Jason held his hands together, trying to muster up all the strength he has into a weapon. Sparks of a blood-orange color began to pop out from in between both of his hands.

"Come on!" he screamed. The sparks began to form into a ball of energy that grew more and more in size. "I'll show you!" he yelled again. Jason ran towards Ruin with the ball of energy in one hand, with the energy ball he had squished the bottom part of it so hard it deformed itself into a flame-spear-type weapon. He launched into the air, this time reshaping the weapon into a katana-blade that imitated Ruin's blade, slashing down upon Ruin.

"What's this? Your soul's ability is to copy my sword?" Ruin yelled, surprised. He blocked the slash, almost struggling to push it back. "H-how?!" he grunted. The floor began to crumble under Ruin's feet pushing him deeper into the Earth. Khila watched as Jason had gained an awakening, beside her Frisk's body rematerializing beside the star she had placed. Jason had jumped back, trying his best to dodge Ruin's strikes, but taking damage in the process.

"And I thought you were a good friend..." Frisk stated. Ruin had kicked Jason back, Frisk dashing towards Ruin at the same time. She pushed Jason back into Khila, then reached Ruin, slashing him in different spots of his body at an even faster speed.

"How're you so fast?" he grunted. Her knives ended up cutting in spots on his left shoulder, stomach, and below his waist.

"I don't wanna have to kill you", "But what you've done is unforgivable, you killed your best friend, you've betrayed my trust, and worst of all... You threatened the life of these kids! And for that, you leave me no choice." Frisk takes a quick step back and lunges forward mustering a knife in her hand, Ruin gets ready for the obvious attack. At the last second Frisk leaps into the air throwing the knife at him, Ruin deflects it with ease but looks up and sees that Frisk is already on her way down with another knife, with no time to react she cuts deep into his stomach.

"ACK!" Ruin exclaimed, blood dripping from his mouth.

"I'm sorry it had to be this way... Ruben"

"...Heh, looks like I'm done huh," Ruin says with a smirk still on his face. "It's been fun. Frisk", Frisk doesn't even reply, the weight of killing her former best friend being almost too heavy to carry."

"Alright kids, let's go," Frisk said