Prakk (ブラック, Burakku, Black) is a sword which wielded by Barbarosa Rugner in the past and was considered his beloved sword[1]. Barbarosa gifted the sword to Teo McDohl before he was ordered north to protect the border[2]. Teo McDohl would later use the sword in a duel against his son, and leader of the Toran Liberation Army, Tir McDohl[3].
The sword is not referenced after Teo's death.