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"I can train my soul to grow stronger inside a dream?!" I asked in shock, a second after, the System greeted me with new notifications.
[You soul has gone through large quantities of pain and damage and has been restructured and healed afterwards]
[Your soul grows stronger and sturdier…]
[You gained +3205 Divine Power]
"Hold on a second! I even gained divine power out of tearing apart my soul?!" I asked.
"Heh, this is not something normal you can do anywhere else, not even in other dreams. What I did to you, aside from having my revenge, is named Dream Soul Treatment. It is a special technique that is brutal to the soul, but when it is recovered and healed, the soul grows stronger. The more you put your soul into agony, the stronger it grows and the greater your will becomes as well… I used this technique daily to grow as strong as a Venerable, having an upper hand over all other Gods at my time."
Check "The Protagnist's Sister Is Actually the Strongest"!