His penta kill music should be changed into the time where the shout "sahn uzal" in his theme song.

https://youtu.be/Be6wN6ddMZc?si=ZbujGZZ3wP9FJ4MA

2:30 is what should play if he gets and ult Globally. It will make it unique from the standard ult kill and common, hearing your name shouted global? That's worthy of a penta (Or ace since penta are so hard on morde)