Completion
Accomplishment
noun, verbal noun
かんせい
完成 (かんせい) Completion, Accomplishment
閑静 (かんせい) Quiet
管制塔 (かんせいとう) Control Tower
完全 (かんぜん) Complete, Perfect, Perfection, Completeness
完了 (かんりょう) Completion, Complete, Finish, Conclusion
完結 (かんけつ) Conclusion, Completion, Ending, Consummation
完璧 (かんぺき) Perfect, Flawless, Complete
功績 (こうせき) Achievement, Accomplishment
遂行 (すいこう) Accomplishment, Execution
"Accomplishment or death" is something Genghis Khan かん would likely say せい