Then go and take it. I will not be participating.

[Zec 12:2-3 KJV] 2 Behold, I will make Jerusalem a cup of trembling unto all the people round about, when they shall be in the siege both against Judah [and] against Jerusalem.
3 And in that day will I make Jerusalem a burdensome stone for all people: all that burden themselves with it shall be cut in pieces, though all the people of the earth be gathered together against it.