In the last 2 chapters I saw, two of his allies telling him how to use his borrowed powers effectively. Shikaku, Son Goku, oh and Sasuke as well.Ashura got stronger with the support of others.
He got power from others not brains. You can see he used his powers efficiently using his OWN brain.
i agree with youIn the last 2 chapters I saw, two of his allies telling him how to use his borrowed powers effectively. Shikaku, Son Goku, oh and Sasuke as well.