[ too late buddy, you were already towards the top and the glib answer isn't helping,,, ]

Perhaps. [ Absolutely not, and Sebastian knows it personally. Aetós would never encounter Sveinn and make a mess if they didn't want to. ] Or perhaps it was a Shard-Bearer with a bit of a grudge and given means. I would not think Aetós to be so sloppy as to leave a mess.