Disclaimer: Paramount own them. But I bring them to life by taunting 
  their emotions via angst ;-)
Nightmares of the soul
::::::
 There were drilling through his skin, he could feel I the sharp 
  nicks of pain spreading as the wires and filaments wound themselves 
  deeper and around his bones. Cold metal, swarming around his warm 
  heart, interfering with that comfortable heat that was dissipating 
  with the rape of his body. He would of screamed if possible, but his 
  body was still, steadier than a pillar of marble in the wind, but 
  terrified of that immobility to help himself.
The whispers spread through his mind, whispers from everywhere and 
  everyone. One. That was what he would become. Not an individual but a 
  universal body that consumed everything as a single being. Borg.
Through unmoving eyes he watched as the drones moved closer to 
  collect his newly gained form, and watched as his friends, and family 
  moved back saddened at his jump of allegiance to the other side. One 
  set of eyes, heart and mind kept with him as she was dragged away 
  screaming his name. Will. Imzadi. These words would mean nothing 
  soon. Only numbers would rule his domain.
A forced tear escaped the blue iris before millions of nanites 
  swarmed into his eye socket and ruined his natural vision from the 
  inside out, corrupting it to a higher form of technology to view the 
  worlds he would soon join in assimilating.
Inside the man that would be no more screamed for help. None came but 
  for the answering cry of thousands of Borg minds. Resistance is 
  futile.
A scream shattered his immobility, bringing him lurching forward, 
  sitting ramrod straight, and starring at the far bedroom wall. As 
  reality closed in and the dreamworld of torture he'd endured vanished 
  with each heavy pulsing heartbeat, forcing away the tarnish of 
  terror. He swallowed hard, still not moving, and realised the scream 
  had been his own. He finally blinked once, and twice before dragging 
  a shaking hand to his slowly bowing head.
He dragged the sweaty palm through equally sweat drenched hair as his 
  head dropped into the other hand he brought to his face, hesitantly 
  feeling the eye socket, making sure nothing was artificial and all 
  was there. He let out a small sob from the terror that his twisted 
  sheets were testament to.
He shivered and the cooling sweat around his body chilled him. Too 
  terrified to move, he sat shivering in the dark waiting for the 
  whispers in his head to start and this reality to become a fake 
  backdrop of safety.
The chrono chimed and Will Riker jolted, head rushing up to meet the 
  electronic sound. He shivered again and took a deep swallow as tight 
  muscles slowly uncoiled but still left the dull pain of cramp behind.
Able to move he reached for the hypo by the beside and injected it's 
  blue liquid form into the strained vein standing out from the crook 
  of his arm. The hiss, sounding like a hydraulic, caused him to 
  peripherally scan his surroundings for metal beings, before finally 
  closing his eyes in relief.
The door to his quarters buzzed, and alerted him to someone's 
  presence outside. He knew it'd be her. She knew he'd awoken again as 
  he had for the last few days. Bed ridden from the exhaustion of 
  dreams, and removed from duty. He sat waiting for her to key in her 
  own over-riding lock.
She moved into the bedroom. Following the constant chime of the 
  chrono to his location in the dark. Faint starlight guided her booted 
  feet to his side, turning off the chrono he demanded to keep him sane 
  of the days and nights that passed him by, staying rigid to duty.
He smelt her perfume and remembered of the times he'd smelt vanilla 
  by his side.
The gentle sloping of the bed gave away her seated position beside 
  him. She drew a hand through his hair and pulled a hand away from his 
  red swollen eyes. "Another dream?" She asked, checking the small 
  monitor that was secured above his heart.
He nodded and allowed her gentle touch, absorbing it from the one 
  person who understood what he was going through. "I can't keep doing 
  this." He whispered.
"I know." She answered drawing his head to her chest as he silently 
  
  cried himself back to a restless sleep. She rubbed his back and made 
  soothing sounds, even while he slept, hoping it would keep the demons 
  away. Hoping the bond would one day finally release him from it's 
  connection.
"I understand what your going through Will. I honestly do." She laid 
  
  the exhausted man back to the bedding and pulled the blankets up high.
Checking that he'd used the hypo by the bed stand, she replaced it. 
  "I understand Captain. I truly do." Beverly whispered as she made 
  her 
  way out of the bedroom of the Enterprise's newly assigned captain, 
  removed from duty by personal stress. The stress that only the Borg 
  could cause when one's loved one was ripped from your arms and 
  delivered into their own technological embrace.
Chasing a tear from her right eye, Beverly made her way out into the 
  corridor. Remembering her own loved one, Jean Luc, before they took 
  him and made him theirs. Remembering Deanna, and the day Will Riker 
  had watched her dragged from his own clutches into theirs. And 
  Beverly watching Will as he crumbled from the pain and nightmares 
  that traversed the bond from his own Imzadi, his Betazoid princess 
  who now had become queen amongst a different people.
It would never end. The pain. The loss.
Tears fell. And worlds fall. And the Borg would consume all.
But one day, the tall dark blue eyed man would return and exact a 
  vengence for both of them. The borg had taken his family, his career, 
  his health but not his soul. Given time, Captain William T. Riker 
  would remove the pestilence that had torn many families apart, making 
  an offence on the one person who now taunted him nightly in the form 
  of the Borg Queen, his Imzadi.
And that one offense would be his last.
Beverly knew her best friends future all too well. He would become a 
  hero. But a matyr aswell. A saviour but a corpse of many in the 
  battle against the borg.
:::::
The creepy end ;-)