The "gameplay" video looks like a fly-through, aside from a few moments where you apparently do battle in various ways. TBH, aside from some gorgeous cut-scene styled animation, this looks a bit meh. Please, let me be wrong.
^Yeah i hope you're wrong, but being a tech-demo turned into a full game seems like a good idea to me.
Exact-Psience My 2014 Top 10 Games of the Year: Monster Hunter Freedom Unite, Hearthstone, VVVVVV, Battleheart Legacy, Wayward Souls, Bug Heroes 2, Powerpuff Girls Defenders of Townsville, Deep Loot, Monument Valley, Bioshock Honorable Mentions: Traps N Gemstones, Bardbarian, Goblin Sword