“Before we head off, just so you’re all aware, it’ll take approximately twenty-two hours and fifty minutes to reach our target floor. We’ve all rested up as much as possible while you were on the Rail Zeppelin, but are you guys sure that you won’t need to sleep or relieve yourselves in the process?”

Seigen was the first to reply.

“Being able to go without sleep or food for three days straight is the bare minimum requirement for us monks.”

“Well, of course. That is only the most basic form of enhancement(TN: enhancement = strengthening).” Luvia said with a slight frown.

“…I-I’ll be fine as well.” I responded, feeling my ears turn red.

Though I wasn’t a proper mage, adjusting bodily functions was part of my training as a grave keeper of Blackmore Graveyard. I also recalled the executors of the Holy Church using this tactic, so it was probably a basic requirement for people involved with Mystery.

Lord El-Melloi II's Case Files: Grand Roll (Lower); Chapter 1, Part 1