Originally Posted by Killer Angel
Judging from the 33th update
, it appears that probably an arkentool can form a link very deep with the unit under control.
Totally speculative, but I think that the uncroaked units are "loyal" to their king, or the warlord (not to the croackamancer), while the decrypted units are more directly tied to Wanda...
And the Holy War is starting!
As far as we know she can't actively betray Stanley due to the whole "Thinkamancy" thing.