Forgive me Father, for I have sinned...

This is what the Mirror of Issac Foster remembers...

Yes, he did get burned alive as a child. Yes, he was sent to an unlicensed orphanage with horrible living conditions. Yes, he did stab the proprietors to death and escape. The story does not end there, however, for a week after that he had chased an innocent woman into a church and slaughtered her in the pews.

The commotion attracted the attention of a certain priest, who condemned young Issac for his brutality in the holy sanction of God. Issac responded by pulling his knife on the priest, ready to fight yet visibly frightened, shouting that he will not be treated like a worthless monster anymore. In that moment, the priest realized this boy simply didn't know any better and took pity. He gently offered to help him, to give him what he wanted, what he needed, if he spared his life...

Thus, the Reverend Gray adopted Issac as his son. As the years passed, Issac seemed to become quite different from the savage child from the orphanage. Thanks to receiving proper education from the church, Issac is literate to a degree and can recognize some Latin phrases. He's a reserved sort of person, a somewhat gentle sort who is so grateful for his new life he had turned to religion himself...

And yet, the beast remains. Issac isn't sure why, but he still gets the urge to kill people who are just oh so happy, or people whom he just can't stand. He tries to control himself, but no matter how much he prays he occasionally loses control. The blood on his hands frightens him, and he fears he might hurt someone close to him one day.

That's why he volunteered himself as a Floor Master in his "father's" murder building. By focusing his energy on "sacrifices," Issac aims to hunt down the sinners, while sparing the innocent. His methods are varied. When the sacrifices are first led to floor B6, they are forced to enter a series of cruel death traps, to see if they can figure out how to escape. There's always a solution; Issac is willing to give vague hints if he has to. After all, he's waiting at the end, scythe in hand, ready to hunt the unfortunate sinners down. If he likes you, he may give you a five second head start. Most of the time, his sacrifices have only three seconds to run before the killer comes after them and tears them apart.

It was a brutal existence, but it satisfied his need to kill... Right?

His relationship with the others isn't so different from his real, but for different reasons. Ray, for example, he sees as more of a restraint than a guide. Yet he does appreciate their similarities such as a respect for God, even though going through the building with her has him starting to question his own faith....