Other returning characters include the Arbiter Thel 'Vadam ( Keith David ) , now leading the Sangheili species against the Covenant remnants , led by Jul 'Mdama ( Travis Willingham ) .
The Sangheili species are led as the Swords of Sanghelios by the character the Arbiter Thel 'Vadam in the videogame Halo 5 : Guardians .