When multiple units die simultaneously from combat damage, does the player using Zhonya choose which unit to save, or does the opponent's damage distribution order determine which unit can be saved?

Ruling: When multiple units die simultaneously, the player using Zhonya chooses which unit to save. The opponent does not determine the order of damage distribution in a way that restricts this choice.

Nuances:

• This same principle applies to other similar effects like Sett's legend ability