The moment that Hawk and Nachtia headed for the wagons, the Undead changed their tactics. They immediately stopped pushing forward, and all five Lich Lords moved to encircle the small supply convoy in a defensive perimeter.
That alone would have made it incredibly obvious what the source of their unusually potent power was, even if someone hadn't already guessed, but it raised the more important question of what could they do about it?
Karl and Cara had managed to keep the Lich Lords from bringing their area barrier back online, but Hawk was having no luck trying to get attack spells into the convoy that they were defending.
[We need to learn the trick to their casting speed. I want to be able to throw spells that fast.] Remi noted as she adjusted the position of her totems.
[If anyone can figure it out, it's you. But maybe we will get lucky, and they'll have a Grimoire or something on them, and you can stock up on spells after we win this fight.] Karl suggested.