Triborg - Cyrax (LK-4D4)

Challenge requirements

Normal:

1. Bronze Characters;
2. Silver and Bronze Characters;
3. Silver Characters;
4. Your team must be made of only Martial Artist characters;
5. Liu Kang must be on your team.

Hard:

1. Bronze Characters;
2. Silver and Bronze Characters;
3. Silver Characters;
4. Your team must be made of only Martial Artist characters;
5. Gold Or Diamond Liu Kang must be on your team.

Elder:

1. Gold and Diamond Characters;
2. Liu Kang and Takeda characters only;
3. Your team must be made of only Spec Ops characters;
4. Your team must be made of only Spec Ops Characters;
5. Liu Kang and Takeda characters only.

Unique Boss Ability:

Assimilation Protocol v1.0 - All Triborg Characters on Boss Cyrax's team gain increased critical hit chance for special attack 1 and gain increased critical damage.

Don't forget to check out and rate Triborg - Cyrax (LK-4D4) and his signature equipment - Cyber Armor

This was an unusual event probably created because of the MK1 update with the new Triborg characters.