Mortal Kombat 11 how to unlock Sub-Zero Sektor skin!

Mortal Kombat 11 how to unlock sub-zero Sektor skin and Scorpion After Dark skin by completing the Ninja Academy Tower of Time. Shao Kahn combos and gameplay to unlock the Ninja academy Tower Rewards, Scorpion After Dark skin and Sub-zero Sektor skin in MK11 on PS4. #mk11