A Vulcan martial art based on evasion and precise counter-movement, used by T'Pol to train colonists against Klingon raiders and by Michael Burnham throughout Star Trek: Discovery.
Suus Mahna is a traditional Vulcan fighting discipline that takes years to master. It emphasises balance, avoiding an opponent's attack and turning their momentum against them.
It is introduced in the Enterprise episode Marauders. When a mining colony is being robbed of its deuterium by Klingons, T'Pol teaches the miners a few basic evasive moves, enough to help them stand their ground alongside the Enterprise crew.
Michael Burnham, raised on Vulcan, is an expert practitioner. In the Discovery episode Context Is for Kings she uses it to defeat several fellow prisoners who attack her in the mess hall, and Sylvia Tilly recognises the style. Burnham's skill in it is called on repeatedly in later seasons.