|Dates are from the Isawa Calendar|
|Centuries:||1st century - 2nd century - 3rd century|
|Years:||138 139 140 - 141 - 142 143 144|
- At the age of 76 Kaimetsu-Uo passes leadership of the Mantis Clan to his son, and sets sail to the east.
- Months later his boat is found alongside a ronin pirate ship, Kaimetsu-Uo dead on the deck surrounded by dead pirates.
- Kaimetsu-uo Seido is founded in the memory of the Mantis Clan founder.
- Kaimetsu-Uo (date approximate)
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