Time Stop Hero Vol. 12 by Yasunori Mitsunaga

Sekai arrives at the ruins of the elf village that was once Fury's home. There he receives mysterious instructions from Shinra, keeper of all the world's secrets. After completing a trial, Sekai finds himself transported to the past. Now he must fight to return to the present, and keep a terrible future from coming to pass!
Binding: Paperback / softback