 After tracking the Zerg to their homeworld of Char, he encounters the dark templar Zeratul and Jim Raynor, forging a friendship with the two and learning how to use his psionic powers in conjunction with the powers of the dark templar.The Khalai government sees Tassadar's consortion with the dark templar as heretical and as a bigger threat to their society than the Zerg invasion of the Protoss homeworld Aiur, sending Aldaris and Artanis to arrest him.Artanis however, along with Fenix, sides with Tassadar, sparking a civil war between Tassadar's followers and the government.