She sees him mouth a "Thank you" before the sisters nod.
Then, they start to chant, and the circles on the floor start to glow green. Other symbols on the floor, previously unnoticed, now shine their unnatural green light as well. And not just the floor. The ceilings, walls, roofs, and the very air itself seems to be filled with the glowing green symbols, which now start to rotate, twist, and form into new shapes.
Khorvis' eyes close, and he slumps forward, his body going slack as whatever spell the sisters are weaving take effect. Glowing green runes start to crawl up his arms and legs, making for his head. The chanting gets louder and louder as the runes make their way closer and closer to Khorvis' eyes. Suddenly, a grave like silence falls when the lines of runes finally touch his eyes.
Slowly, Khorvis opens his eyes. They're now a bright green, just like the runes and the eyes of the sisters, both of whom are watching him intently. He blinks at the room, his head turning from side to side groggily, as if waking from a long sleep. Then, something odd starts to happen. Rivulets of what appears to be black smoke start to form and drift off of him as his movements get more jerky and erratic. Suddenly, he siezes up and lets out a strangled cry before falling to the ground, twitching and shuddering. His breath is coming in pants and pained gasps, sometimes groans of pain. The sisters don't move to help him, continuing to watch him intently. Seras starts muttering something that sounds a lot like "Come on, come on, come on, do it!" Over and over again as she watches Khorvis, while her sister remains impassive.
There's a loud gasp as Khorvis suddenly sits up, straight as a ramrod, and black smoke starts to pour out of his open mouth and eyes.
Seras gives Ioras a worried glance, but she holds up her hand, still watching Khorvis. He seems to be choking on something, desperately clawing at his throat.
"Ioras... I don't think he can take any more..." Seras says worriedly, her eyes fixed on Khorvis, who's still spasming and jerking.
"Not yet..." Ioras murmurs back, still holding up a hand.
A few seconds later, Khorvis' movements are starting to get weaker as the black smoke continues to pour out of him.
"Ioras! He's going to die, dammit!" Seras yells.
"Waaaait. Not yeeeet..." She says, still staring intently at Khorvis, who by this point is just scratching weakly at the floor as his eyes start to close.
"Dammit Ioras just pull him out!" Seras screams.
Ioras opens her mouth to say something, but is suddenly interrupted by a loud growl that seems to come from Khorvis. Seras' worried expression immediately turns from one of worry to one of confusion, and she looks at Khorvis with a raised eyebrow.
"What was-"
Now it's her turn to be interrupted as with another loud growl, Khorvis gets to all fours in a predatory crouch.
"Uhhh.... Ioraaas? Khorvis looks like he wants to eat me..." Seras says nervously, looking at Khorvis.
"Don't tell me... He's got the Direwolf in him? Bloody hell..." Ioras murmurs, her eyes wide.
"Khorvis, if you can hear me, fight him. You have to get back control, or you're never going to make it out!" Seras says, glaring at him.
He suddenly stops moving to her, then collapses to the floor with a whine, rolling from side to side as he whines in pain, his limbs twitching as he fights to regain control of his body.
There's a sudden loud, human sounding scream from Khorvis before he collapses on the floor, unmoving. The runes slowly start to crawl off him, sinking into the floor with green puffs of smoke, leaving his unconscious body and two wide-eyed sisters behind.