张恺 / Zhang Kai (Duan Jiong officer)

Overview

Zhang Kai is the late-Han officer in Hanji 891 who leads an eastern mountain force during Duan Jiong’s encirclement of the Qiang at Shehu Valley.

Current Profile

The source gives Zhang Kai a tactical role rather than a biography. After Tian Yan and Xia Yu move onto the western mountain with silent night discipline, Duan Jiong sends Zhang Kai and others with three thousand soldiers up the eastern mountain, creating the east-west pressure that precedes the attack.

Key Characteristics

• Sima-level officer under Duan Jiong in the 169 CE Qiang campaign.
• Leads roughly three thousand soldiers onto the eastern mountain.
• Helps create a two-sided attack against Qiang forces holding the valley.
• Disambiguated from 张闿, the later assassin/escort figure in the Cao Song and Chen-king branches.

Evidence

• Eastern force: Hanji 891 says Duan Jiong sends Sima Zhang Kai and others with three thousand soldiers to climb the eastern mountain.
• Encirclement role: Hanji 891 pairs Zhang Kai’s eastern position with Tian Yan and Xia Yu’s western movement before the simultaneous attack.
• Battle outcome: Hanji 891 reports that Duan and Zhang Kai order the attack once the Qiang detect the movement, after which the Han army pursues through the valley system.

Qualifications

The page is source-scoped to this battlefield role. It should not be merged with other Zhang Kai / Zhang Kai-sounding late-Han figures without stronger identity evidence.

What Changed

• Created the disambiguated page from Hanji 891’s east-mountain attack role.

Relationships

• 段熲 - commanding general who assigns Zhang Kai’s eastern force.
• 田晏 - western-force commander paired with Zhang Kai’s eastern pressure.
• 夏育 - western-force commander paired with Zhang Kai’s eastern pressure.
• 东羌 - opponent in the campaign.
• 战场信息控制 - broader tactical frame for silent movement and surprise.
• 张闿 - distinct late-Han route with a similar romanized name.