Underlord · Chapter 18
Lindon and Yerin Enter the Akura Vault
During the Seishen Kingdom's trap in Night Wheel Valley, Lindon, Yerin, and Mercy enter the hidden Akura vault to advance while being pursued by Seishen Underlords Kiro, Daji, and Meira.
Outcome
All three advance to Underlord during the vault battle. Mercy defeats Daji, Yerin overwhelms Meira, and Lindon defeats Kiro as an Underlord.
