Back when Austin was just a quasi-Gold level, a trace of the power of a Legendary Law unsealed by his bloodline leaked out, which was enough to affect the weather, causing the sky to be overcast with clouds, bringing sudden wind and thunder, and utilizing the thunder generated from the clouds above to enhance the power of his Talent Magic.
However, the storm and thunder brought in by that trace of the Legendary Law were not controlled by Austin; they were merely the result of the leaking of a trace of the Legendary Law.
