Chaldea, in the Master’s room, in front of a large table.
Diarmuid said gravely, "Master..."
The Master and the other Servants stared at him in alarm. "No!"
"Why not?!" Diarmuid sprang to his feet and slapped the table. "All of your characters are already on the brink of death! Just let me, a doctor, treat you!"
The Master refused his offer and instead yelled at the host, Da Vinci: "Hurry and take the dice away! Don't let Diarmuid get them!"
But before they knew it, Diarmuid had snatched up the dice while no one was watching.
"I swear on my Medicine skill of 91 that I will cure you, Master!"
Diarmuid rolled the dice.
...100! Critical failure!
The Master's character was successfully treated to death by Diarmuid.
"...Diarmuid, you're changing classes," the Servants said in unison at last.
A guy with E-rank Luck like Lancer has no business being a doctor.
This is a fun story about the Master and his Servants playing tabletop RPGs in Chaldea while also working to save humanity.
It's also a novel with no barrier to entry or excessive jargon, so even readers who don't play tabletop RPGs can have a great time.