Age 804

==Dragon Ball Online==
*Gohan begins researching the martial arts of the past, organizing them in "Groundbreaking Science".
**The death of his father causes Gohan to reflect on the power he wields, and so he devoted himself to scholarly research on the source of that strength—ki. "Groundbreaking Science", the book in which Gohan organized the results of his research, quietly gains popularity. One of the articles, "Katchin Can be Cut!", has an immense influence in the birth of the "Swordsman" class.Dragon Ball Online, 2010
==References==
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