You are a aspiring witch in the magic school of the wicked word-wizard Allyster.

He is an old magus who knows the secret to reshape the world through language. After a few months of teaching, he makes an offer. You prove your abilities to him; if you can prevail, he will make you his master pupil and successor....

Get it at: https://thunderperfectwitchcraft.itch.io/crumbling-words