7 Killings (7K)
7K in the olden days is general, these people are task to expand or protect a country territory.
They are brave, smart & decisive.
Skill they need to enhance is the skill of of making decisions. Making decisions is the ability to follow through despite the odds or challenges without the loss of enthusiasm.
7K is recommended to learn and study how to run a business, they are the CEO, COO material.