Kerrigan 's psionic call was sent during the Protoss 's moment of celebration .
During the Protoss 's moment of celebration , Kerrigan sends a psionic call to Raynor and Artanis , directing them back to Ulnar as a staging ground for an invasion of the Void as well as permanently ending Amon 's threat .
StarCraft II-COLON- Legacy of the Void