Watch “King's Valley Labyrinth magic power 魔法の力を使った拡張ルールです。,” a gameplay video for King's Valley Labyrinth from Mitsuo Yamamoto on BoardGameVideo.
Description provided by Mitsuo Yamamoto on YouTube:

2014Mitsuo Yamamoto
About King's Valley Labyrinth, from BoardGameGeek:
Designer
Mitsuo Yamamoto
Artist
Mitsuo Yamamoto
Publisher
Logy Games
Categories
Mechanics