Chapter 51: illusion!
"So, Asmodea, where are the other members of that group?" When Alex inquired about it, he was curious as to where each member of his 'personal guard' had gone.
"If you feel uncomfortable referring to them as your personal body guards, you might refer to them as the Pillar instead. In each of the circles, the strongest warriors and/or magicians are grouped into a pillar division, which is called the Pillar of Lust for us. Each member of the Pillar is bestowed with a moniker that alludes to some element of the Sin for which they are fighting." Asmodea proceeded to identify each member of the pillar.