Far from Home: Book 2

Yazama Jiutarô, a young Japanese samurai warrior, had one purpose, to avenge the execution of his former master. But by a twist of fate had been wrenched from feudal Japan to the strange world inhabited by strange and fearful beings, beasts and monsters, by dark assassins and strange magic. He had felt alone but friends had taken him under their wing.
Now he was lost to them, buried beneath tons of rock in tunnels deep beneath the surface of the world. His friends, brave fighters with a diversity of skills, are devastated at his lost and have vowed to continue without him. There is much to do.
A witch with horrifying powers has to be confronted.
Will their strengths be enough?