How many 21st century Earth soldiers would die before taking out a force of 100 Custodes in its entirety?

[Emperor Tippy]

Short of substantial use of strategic nuclear weapons, nothing Earth has would stop them.

And that assumes that the Custodes start unarmed and naked. Give them their full armory to draw upon and a hundred Custodes would have the entire planet conquered in very short order.

 

[Navarro]

In a recent short story six Custodes literally kill like millions of Tyranids.

 

[The Whispering Monk]

In a recent short story six Custodes literally kill like millions of Tyranids.

Pics or it didn't happen! 😛