Thanks for the info!
Okay, having the same TypeError "Cannot read property 'slice' of undefined" during the Start Phase of Skirmishing again.
To replicate, confirm a Hero to put down, then back out before picking the spot, and then try to put any Hero down.
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Hmm... Could we get Enemies to have their Statuses flicker above their heads like the Heroes do? I'm bad at remembering which Devil Knights Blocked last turn.