The following documents might be of interest to readers of this specification. With no other ally because Raven killed Chavez, Lin Feng angrily leaves the council. It is shown later that Lin Feng is actually part of The Disciples, as he is talking to Pietor Furan about what had happened. When writing filters to validate user input, it is imperative that filters always be safelist-based, allowing known-safe constructs and disallowing all other input. But Raven found out that Chavez has tried to kill her, so she killed him at the end of Rogue.