"Wait… How about telling me what this technique really does first?"
"What else? It will help you level up your pathetic low levelled spirit. Instead of having that useless silver, gold, and other poor colours, you'll have the mighty black colour, better control your spirit form and tails."
"Will that make me stronger?" This was the crux of all this. If doing this wouldn't help him getting stronger, then it was worthless to waste his time on training over such technique.
"Kiddo, stop insulting me like this! Who do you think I am? If not for the horned dragons, winged scaled elephants, the bony Valkyries and others to have good candidates, I'd have not imparted this technique over and would have preferred to wait for a good human to rise."
"..."
William hated how low this black fox saw him. And yet he kept his silence this time, while listening to all the words this black fox said next.