on *:text:!sun:#: {
  if ($chan == #mythology) || ($chan == #zaros) || ($chan == #chat) { 
    halt
  } 
  if ($chan != #mythology) && ($chan != #zaros) && ($chan != #chat) { 
    if ($nick isop $chan) {
      part $chan ARGH! SUN! I must leave immediately! *retreats into darkness*
    }
    if ($nick !isop $chan) { 
      halt
    }
  }
}