Spirits and stars · Auspicious
The middle character of the three-harmony group: command, responsibility and a leadership position.
Take the middle character of the three-harmony group of the year or day branch: Shen, Zi and Chen see Zi; Yin, Wu and Xu see Wu; Si, You and Chou see You; Hai, Mao and Wei see Mao.
Source: San Ming Tong Hui, spirits and stars chapter
In practice it reads as being able to lead and hold a room: suited to coordinating and managing roles.
Used: it is used as a career signal in chart conclusions.
Rule of thumb: these markers are read from fixed classical tables, and the scores and advice come from a separate model. Both are laid out on the site, and neither is a claim about what will happen.
Does it mean I will be a leader?
No. It indicates a tendency to lead and coordinate; whether you get the position still depends on ability and opportunity.
What about together with Yang Blade?
The tradition reads the pairing as more authority, with the same warning about going too hard.