What is Tenken?
1.
Tenken can be translated into "heavenly sword" as in the skill one has to weild a sword and is not to be confused with Shukuchi.
Soujiro the Tenken(from Rurouni Kenshin)
2.
A gift from the heavens
He is called the Tenken, because his swordsmanship can only be a gift from the heavens.
3.
A person who is a god with a sword. In that their speed and skill is that of a god.
Set Soujiro
4.
Pertaining to swordsmanship, it means that you move with God-like speed.
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