Go up to the northern part, where Eochai and Jack like to fight each other. If there's a battle going on when you get there, help it along. After a few waves, they'll both show up. Otherwise, I don't think there's anything you can do to spawn them individually, and that battle can't be started on it's own, as far as I can tell. They're both on a random timer.
Loose --> not tight.
Lose --> Did not win, misplace, cannot find, subtract.
One extra 'o' makes a big difference.
Also, check the hill west of the Green Line. If it's covered in pumpkins, then Eochai is up, but hiding in tree form. In this form, it's untargetable until someone gets close enough to aggro. Look around the southern part of the map for an unusual looking tree.
What server are you on? Maybe someone else can look with fresh eyes.
edit: Threat guide image
Vidiotmap of Croatoa, showing Eochai patrol paths and tree form spots.
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thanks for reply guys. I ended up logging in my second account and putting it on watch. Found him. Thanks
My team has been looking for this dude for 2 1/2 hours. I checked, paragon wiki and google with no luck, the dude just isn't spawning anywhere. Any ideas? Getting really bent out of shape here. I even sent a petition with no luck.