During the Battle of Mount Bashenga, she, Okoye, and two other Dora Milaje fought Killmonger while the rest of the Dora Milaje went to assist T'Challa by fighting the Border Tribe, who were, under W'Kabi's orders, fighting on the side of Killmonger. During the battle, Killmonger was able to defeat Xoliswa and take her hostage, holding his sword at her throat while threatening the others. Then, Killmonger decided to slit her throat and launch himself at the other Dora Milaje. Her final words were "Wakanda, forever."
- Combatant: As a member of the Dora Milaje, Xoliswa was trained to become a capable warrior. Her combat skills, however, was not on parr as those of Killmonger, who eventually managed to overwhelm and kill her.
- Bilingualism: Xoliswa is fluent in her native language Xhosa and in English.