As Mortal Kombat 1's story mode comes to an end, it seems the Fire God in Liu Kang has managed to preserve his timeline. He's harnessed the Sands of Time, becoming Keeper of the Hourglass once more. It's part and parcel of him keeping the various realities from spilling over in what's essentially the franchise's take on the Multiverse.
Source:https://www.cbr.com/mortal-kombat-1-havik-ending/