Goatbots, a major vendor who was in the past position to know, recently estimated that 10,000 chests were being opened daily during this time period
Number iC (Chaos Imaginary Number)[edit] While "Chaos Numbers" are generally Summoned by performing Chaos Xyz Evolution on a 'regular' (non-Chaos) "Number", there was a single instance where Don Thousand performed a form of Chaos Xyz Evolution on a monster that was already a "Chaos Number", Summoning what he called a "Chaos Imaginary Number", referencing the mathematical concept of imaginary numbers
Although it does come with the drawback that you take the same amount of battle damage as your opponent, you can combine it with cards such as Impenetrable Attack, which prevent you from taking battle damage that turn
Anyway, without this guy and a switch hitter, he won't start Battlin' Boxer, so 3 stacks are recommended
The first major reason is that, well, did you know in the entire series that he only has two actual wins to his name