This whole red eyes discussion is based on HUGE gaps of information. How everyone became a blood magic expert in a day is beyond me. We don't know:
-if Goro's appearance in MKX is canon (He's dlc, they have always been non-canon)
-if Goro knows, can use, or knows someone else who can use Blood Magic (Blood "magic" has never come up before, ever)
-if blood magic is even capable of permanently restoring insane injuries (Fox sure as hell didn't recover from being sawed in half)
-If Goro or anyone he knows is proficient enough and willing to do it.
-If using blood magic to restore a wound turns your eyes fucking red.
Second,