Here is an overview of the game, via its Steam page:
The Lightbringer is a poetic adventure / puzzle platformer with light combat elements, set in a beautiful world claimed by a vile corruption. Guided by your sister’s spirit, you must prevail where she could not. Cleanse the corruption, become The Lightbringer.
The world is under siege by a malicious corruption, targeting the ancient monoliths that gave power and light to