Buffy the vampire slayer/ Mass effect.
Plot: Xander instead of dressing up as a solder for Halloween he dresses up as the illusive man from the mass effect game series.
Rules: Xander must become the illusive man from Halloween.
The illusive man that xander dresses as can be the one from the game or he can be from an A.U. if he goes as an A.U. version then that version must be a biotic and altered making him stronger and faster than a normal human.
Xander must create his own Cerberus with the intent to protect humanity at all costs from demons and supernatural threats as well as advance them to the stars.
Xander must be willing to do whatever it takes to unite and protect humanity. He can be evil or good but he must be seen as evil by his enemies, everything he does is for humanity and its advancement.
His friends can either side with him or against him, if they side against him then they must be considered a threat by Xander and dealt with by him. You can have him kill them or he could use magic to send them away to another dimension with no way home.
Wolf, Ram, and Heart must be a part of this story they should be Xanders enemies while he works to better mankind they must work to stop him.
The powers that be should come to see him as a threat to their plans and try to kill him.
Forbidden: No slash nothing against gays I just don't like reading about them.
No harem for Xander he can have a girlfriend or two but they must not know about each other.
No giving demons a chance Xander must be human centric anything not human in his mind must die.