[quote=@Disdain]
<Snipped quote by Source>

I see what you mean. If this is so, then we only need to hand these devices, one to each "crowd control" fighter, and have them defend until the device completes its work, and meanwhile prepare for a large assault on the spire. But we need a contingency in case our defence fails.
[/quote]

The expected result of assaulting the spire?