What does it mean to calculate plague by fortune telling?

What does the fortune teller mean by Li Qi?

Li qi

1.

Encourage fighting spirit.

Sun Bin's The Art of War Yan Qi says in the bamboo slips of the Han Tomb: "When you are close to the enemy, you must have spirit."

2.

Evil spirits; The gas of plague.

Han Wang Chong's On Balance and Accidental Meeting: "Therefore, the strong will add to the short life." Su Song Shunqin wrote in the poem "Wuyue Drought": "In summer, there are many dead people." In the Qing Dynasty, Zhao Yi wrote the poem "Legend has it that Emperor Taizong marched back to Korea to fight for bones": "Dead bones moisten the rain and dew, and the true qi dissipates." Ye Shengtao's "Ni Huanzhi" XII: "This kind of business is rashly excavated on a large scale, regardless of Feng Shui. If it condenses into a strong spirit, I will know who the clock is! "

3.

A stern look.

Song Minglian's "The Tomb of Minister Yuan Zhen Reveals Your Grave": "The revealer is polite and taciturn, never boasting, although his family has not seen his ill words."