You know what metroidvania it reminds me? Strider. The 2014 version.
I REALLY enjoy this fast paced, multi-bladed style of combat. The character attacking as fast as you mash the buttons, creating combos, dashing, jumping back and charging again...
It's awesome, like the Strider, or the WoW's new Demon Hunters.
Also, the Ragnarok nostalgia.
Awesomely done.
Congrats.