In Another World With My Smartphone: Volume 8 by Patora Fuyuhara

16-year-old Mochizuki Touya continues his noble quest to delve into the Babylon Ruins, but a deadly tabletop session could easily spell turmoil for the boy and his party. Meanwhile, Leen the fairy makes some considerations with far-reaching implications...
Prepare your best dice rolls for a hair-raising tale of swords, sorcery, and forbidden knowledge!