Board Thread:General Discussion/@comment-31371445-20170222233857/@comment-32182236-20171214120732

"If that were to be the case, there would be nothing left of those souls in those jars. Less than one full human soul of determination was used for the DT experiments. Else there wouldn't be enough soul power to shatter the barrier."

Unless Asriel absorbed the SOULs of the Amalgamtes too.. and used his OWN DT to help shatter the barrier.. Plus there's my own theory, that DT and SOUL power are two different things.